NASA

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Houston, you’ve got a space shuttle… only NASA won’t say which one


An orbiter by any other name…

“The acting administrator has made an identification.”

a side view of a space shuttle orbiter with its name digitally blurred out

Don’t say Discovery: Acting NASA Administrator Sean Duffy has decided to send a retired space shuttle to Houston, but won’t say which one. Credit: Smithsonian/collectSPACE.com

Don’t say Discovery: Acting NASA Administrator Sean Duffy has decided to send a retired space shuttle to Houston, but won’t say which one. Credit: Smithsonian/collectSPACE.com

The head of NASA has decided to move one of the agency’s retired space shuttles to Houston, but which one seems to still be up in the air.

Senator John Cornyn (R-Texas), who earlier this year introduced and championed an effort to relocate the space shuttle Discovery from the Smithsonian to Space Center Houston, issued a statement on Tuesday evening (August 5) applauding the decision by acting NASA Administrator Sean Duffy.

“There is no better place for one of NASA’s space shuttles to be displayed than Space City,” said Cornyn in the statement. “Since the inception of our nation’s human space exploration program, Houston has been at the center of our most historic achievements, from training the best and brightest to voyage into the great unknown to putting the first man on the moon.”

Keeping the shuttle a secret, for some reason

The senator did not state which of NASA’s winged orbiters would be making the move. The legislation that required Duffy to choose a “space vehicle” that had “flown in space” and “carried people” did not specify an orbiter by name, but the language in the “One Big Beautiful Bill” that President Donald Trump signed into law last month was inspired by Cornyn and fellow Texas Senator Ted Cruz’s bill to relocate Discovery.

“The acting administrator has made an identification. We have no further public statement at this time,” said a spokesperson for Duffy in response to an inquiry.

a man with gray hair and pale complexion wears a gray suit and red tie while sitting at a table under a red, white and blue NASA logo on the wall behind him

NASA’s acting administrator, Sean Duffy, identified a retired NASA space shuttle to be moved to “a non-profit near the Johnson Space Center” in Houston, Texas, on Aug. 5, 2025. Credit: NASA/Bill Ingalls

It is not clear why the choice of orbiters is being held a secret. According to the bill, the decision was to be made “with the concurrence of an entity designated” by the NASA administrator to display the shuttle. Cornyn’s release only confirmed that Duffy had identified the location to be “a non-profit near the Johnson Space Center (JSC).”

Space Center Houston is owned by the Manned Space Flight Education Foundation, a 501(c)3 organization, and is the official visitor’s center for NASA’s Johnson Space Center.

“We continue to work on the basis that the shuttle identified is Discovery and proceed with our preparations for its arrival and providing it a world-class home,” Keesha Bullock, interim COO and chief communications and marketing officer at Space Center Houston, said in a statement.

Orbiter owners

Another possible reason for the hesitation to name an orbiter may be NASA’s ability, or rather inability, to identify one of its three remaining space-flown shuttles that is available to be moved.

NASA transferred the title for space shuttle Endeavour to the California Science Center in Los Angeles in 2012, and as such it is no longer US government property. (The science center is a public-private partnership between the state of California and the California Science Center Foundation.)

NASA still owns space shuttle Atlantis and displays it at its own Kennedy Space Center Visitor Complex in Florida.

Discovery, the fleet leader and “vehicle of record,” was the focus of Cornyn and Cruz’s original “Bring the Space Shuttle Home Act.” The senators said they chose Discovery because it was “the only shuttle still owned by the federal government and able to be transferred to Houston.”

For the past 13 years, Discovery has been on public display at the Steven F. Udvar-Hazy Center in Chantilly, Virginia, the annex for the Smithsonian’s National Air and Space Museum in Washington, DC. As with Endeavour, NASA signed over title upon the orbiter’s arrival at its new home.

As such, Smithsonian officials are clear: Discovery is no longer NASA’s to have or to move.

“The Smithsonian Institution owns the Discovery and holds it in trust for the American public,” read a statement from the National Air and Space Museum issued before Duffy made his decision. “In 2012, NASA transferred ‘all rights, title, interest and ownership’ of the shuttle to the Smithsonian.”

The Smithsonian operates as a trust instrumentality of the United States and is partially funded by Congress, but it is not part of any of the three branches of the federal government.

“The Smithsonian is treated as a federal agency for lots of things to do with federal regulations and state action, but that’s very different than being an agency of the executive branch, which it most certainly is not,” Nick O’Donnell, an attorney who specializes in legal issues in the museum and visual arts communities and co-chairs the Art, Cultural Property, and Heritage Law Committee of the International Bar Association, said in an interview.

a space shuttle orbiter sits at the center of a hangar on display

The Smithsonian has displayed the space shuttle Discovery at the National Air and Space Museum’s Steven F. Udvar-Hazy Center in Chantilly, Virginia, since April 2012. Credit: Smithsonian National Air and Space Museum

“If there’s a document that accompanied the transfer of the space shuttle, especially if it says something like, ‘all rights, title, and interest,’ that’s a property transfer, and that’s it,” O’Donnell said.

“NASA has decided to transfer all rights, interest, title, and ownership of Discovery to the Smithsonian Institution’s National Air and Space Museum,” reads the signed transfer of ownership for space shuttle orbiter Discovery (OV-103), according to a copy of the paperwork obtained by collectSPACE.

The Congressional Research Service also raised the issue of ownership in its paper, “Transfer of a Space Vehicle: Issues for Congress.”

“The ability of the NASA Administrator to direct transfer of objects owned by non-NASA entities—including the Smithsonian and private organizations—is unclear and may be subject to question. This may, in turn, limit the range of space vehicles that may be eligible for transfer under this provision.”

Defending Discovery

The National Air and Space Museum also raised concerns about the safety of relocating the space shuttle now. The One Big Beautiful Bill allocated $85 million to transport the orbiter and construct a facility to display it. The Smithsonian contends it could be much more costly.

“Removing Discovery from the Udvar-Hazy Center and transporting it to another location would be very complicated and expensive, and likely result in irreparable damage to the shuttle and its components,” the museum’s staff said in a statement. “The orbiter is a fragile object and must be handled according to the standards and equipment NASA used to move it originally, which exceeds typical museum transport protocols.”

“Given its age and condition, Discovery is at even greater risk today. The Smithsonian employs world-class preservation and conservation methods, and maintaining Discovery‘s current conditions is critical to its long-term future,” the museum’s statement concluded.

The law directs NASA to transfer the space shuttle (the identified space vehicle) to Space Center Houston (the entity designated by the NASA administrator) within 18 months of the bill’s enactment, or January 4, 2027.

In the interim, an amendment to block funding the move is awaiting a vote by the full House of Representatives when its members return from summer recess in September.

“The forced removal and relocation of the Space Shuttle Discovery from the Smithsonian Institution’s Air and Space Museum is inappropriate, wasteful, and wrong. Neither the Smithsonian nor American taxpayers should be forced to spend hundreds of millions of dollars on this misguided effort,” said Rep. Joe Morelle (D-NY), who introduced the amendment.

A grassroots campaign, KeepTheShutle.org, has also raised objection to removing Discovery from the Smithsonian.

Perhaps the best thing the Smithsonian can do—if indeed it is NASA’s intention to take Discovery—is nothing at all, says O’Donnell.

“I would say the Smithsonian’s recourse is to keep the shuttle exactly where it is. It’s the federal government that has no recourse to take it,” O’Donnell said. “The space shuttle [Discovery] is the Smithsonian’s, and any law that suggests the intention to take it violates the Fifth Amendment on its face—the government cannot take private property.”

Photo of Robert Pearlman

Robert Pearlman is a space historian, journalist and the founder and editor of collectSPACE, a daily news publication and online community focused on where space exploration intersects with pop culture. He is also a contributing writer for Space.com and co-author of “Space Stations: The Art, Science, and Reality of Working in Space” published by Smithsonian Books in 2018. He is on the leadership board for For All Moonkind and is a member of the American Astronautical Society’s history committee.

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Is the Dream Chaser space plane ever going to launch into orbit?

“We wanted to have a fuel system that was green instead of using hypergolics, so we could land it on a runway and we could walk up to the vehicle without being in hazmat suits,” Tom Vice, then Sierra’s chief executive, told Ars in late 2023. “That was hard, I have to say.”

Apparently it still is because, according to Weigel, the process to finish testing of the propulsion system and certify it for an uncrewed spaceflight remains ongoing.

“We still have some of our integrated safety reviews to do, and we’re in the process with updating both of our schedules to try to understand where does that really put us,” she said. “And so Sierra’s working on that, and so I need to wait and just get information back from them to see where they think some of that work lines out.”

First mission may not berth with ISS

According to one source, Sierra is considering a modification to its first mission to shorten the certification period.

The company had planned to fly the vehicle close enough to the space station such that it could be captured and berthed to the orbiting laboratory. One option now under consideration is a mission that would bring Dream Chaser close enough to the station to test key elements of the vehicle in flight but not have it berth.

This would increase confidence in the spacecraft’s propulsion system and provide the data NASA and partner space agencies need to clear the vehicle to approach and berth with the station on its second flight. However, this would require a modification of the company’s contract with NASA, and a final decision has not yet been reached on whether to perform a flyby mission before an actual berthing.

It appears highly unlikely that Dream Chaser will be ready for its debut spaceflight this year for these technical reasons. Another challenge is the availability of its Vulcan launch vehicle. After years of delays, Vulcan is finally due to make its first national security launch as early as this coming Sunday. Assuming this launch is successful, Vulcan has a busy manifest in the coming months for the US Space Force.

Given this, it is uncertain when a Vulcan launch vehicle will become available for Dream Chaser, which was initially designated to fly on Vulcan’s second flight. However, because Dream Chaser was not ready last fall, that rocket flew with a mass simulator on this second launch, back in October 2024.

Is the Dream Chaser space plane ever going to launch into orbit? Read More »

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With Trump’s cutbacks, crew heads for ISS unsure of when they’ll come back


“We are looking at the potential to extend this current flight, Crew-11.”

NASA astronaut Zena Cardman departs crew quarters at Kennedy Space Center, Florida, for the ride to SpaceX’s launch pad. Credit: Miguel J. Rodriguez Carrillo/Getty Images

The next four-person team to live and work aboard the International Space Station departed from NASA’s Kennedy Space Center in Florida on Friday, taking aim at the massive orbiting research complex for a planned stay of six to eight months.

Spacecraft commander Zena Cardman leads the mission, designated Crew-11, that lifted off from Florida’s Space Coast at 11: 43 am EDT (15: 43 UTC) on Friday. Sitting to her right inside SpaceX’s Crew Dragon Endeavour capsule was veteran NASA astronaut Mike Fincke, serving as the vehicle pilot. Flanking the commander and pilot were two mission specialists: Kimiya Yui of Japan and Oleg Platonov of Russia.

Cardman and her crewmates rode a Falcon 9 rocket off the launch pad and headed northeast over the Atlantic Ocean, lining up with the space station’s orbit to set the stage for an automated docking at the complex early Saturday.

Goodbye LZ-1

The Falcon 9’s reusable first stage booster detached and returned to a propulsive touchdown at Landing Zone 1 (LZ-1) at Cape Canaveral Space Force Station, a few miles south of the launch site. This was the 53rd and final rocket landing at LZ-1 since SpaceX aced the first intact recovery of a Falcon 9 booster there on December 21, 2015.

On most of SpaceX’s missions, Falcon 9 boosters land on the company’s offshore drone ships hundreds of miles downrange from the launch site. For launches with enough fuel margin, the first stage can return to an onshore landing. But the Space Force, which leases out the landing zones to SpaceX, wants to convert the site of LZ-1 into a launch site for another rocket company.

SpaceX will move onshore rocket landings to new landing zones to be constructed next to the two Falcon 9 launch pads at the Florida spaceport. Landing Zone 2, located adjacent to Landing Zone 1, will also be decommissioned and handed back over to the Space Force once SpaceX activates the new landing sites.

“We’re working with the Cape and with the Kennedy Space Center folks to figure out the right time to make that transition from Landing Zone 2 in the future,” said Bill Gerstenmaier, SpaceX’s vice president of build and flight reliability. “But I think we’ll stay with Landing Zone 2 at least near-term, for a little while, and then look at the right time to move to the other areas.”

The Falcon 9 booster returns to Landing Zone 1 after the launch of the Crew-11 mission on Friday, August 1, 2025. Credit: SpaceX

Meanwhile, the Falcon 9’s second stage fired its single engine to accelerate the Crew Dragon spacecraft into low-Earth orbit. Less than 10 minutes after liftoff, the capsule separated from the second stage to wrap up the 159th consecutive successful launch of a Falcon 9 rocket.

“I have no emotions but joy right now,” Cardman said moments after arriving in orbit. “That was absolutely transcendent, the ride of a lifetime.”

This is the first trip to space for Cardman, a 37-year-old geobiologist and Antarctic explorer selected as a NASA astronaut in 2017. She was assigned to command a Dragon flight to the ISS last year, but NASA bumped her and another astronaut from the mission to make room for the spacecraft to return the two astronauts left behind on the station by Boeing’s troubled Starliner capsule.

Mike Fincke, 58, is beginning his fourth spaceflight after previous launches on Russian Soyuz spacecraft and NASA’s space shuttle. He was previously training to fly on the Starliner spacecraft’s first long-duration mission, but NASA moved him to Dragon as the Boeing program faced more delays.

“Boy, it’s great to be back in orbit!” Fincke said. “Thank you to SpaceX and NASA for getting us here. What a ride!”

Yui is on his second flight to orbit. The 55-year-old former fighter pilot in the Japanese Air Self-Defense Force spent 141 days in space in 2015. Platonov, a 39-year-old spaceflight rookie, was a fighter pilot in the Russian Air Force before training to become a cosmonaut.

A matter of money

There’s some unexpected uncertainty going into this mission about how long the foursome will be in space. Missions sometimes get extended for technical reasons, or because of poor weather in recovery zones on Earth, but there’s something different in play with Crew-11. For the first time, there’s a decent chance that NASA will stretch out this expedition due to money issues.

The Trump administration has proposed across-the-board cuts to most NASA programs, including the International Space Station. The White House’s budget request for NASA in fiscal year 2026, which begins on October 1, calls for an overall cut in agency funding of nearly 25 percent.

The White House proposes a slightly higher reduction by percentage for the International Space Station and crew and cargo transportation to and from the research outpost. The cuts to the ISS would keep the station going through 2030, but with a smaller crew and a reduced capacity for research. Effectively, the ISS would limp toward retirement after more than 30 years in orbit.

Steve Stich, NASA’s commercial crew program manager, said the agency’s engineers are working with SpaceX to ensure the Dragon spacecraft can stay in orbit for at least eight months. The current certification limit is seven months, although officials waived the limit for one Dragon mission that lasted longer.

“When we launch, we have a mission duration that’s baseline,” Stich said in a July 10 press conference. “And then we can extend [the] mission in real-time, as needed, as we better understand… the reconciliation bill and the appropriations process and what that means relative to the overall station manifest.”

An update this week provided by Dana Weigel, NASA’s ISS program manager, indicated that officials are still planning for Crew-11 to stay in space a little longer than usual.

“We are looking at the potential to extend this current flight, Crew-11,” Weigel said Wednesday. “There are a few more months worth of work to do first.”

This photo of the International Space Station was captured by a crew member on a Soyuz spacecraft. Credit: NASA/Roscosmos

Budget bills advanced in the Senate and House of Representatives in July would maintain funding for most NASA programs, including the ISS and transportation, close to this year’s levels. But it’s no guarantee that Congress will pass an appropriations bill for NASA before the deadline of midnight on October 1. It’s also unknown whether President Donald Trump would sign a budget bill into law that rejects his administration’s cuts.

If Congress doesn’t act, lawmakers must pass a continuing resolution as a temporary stopgap measure or accept a government shutdown. Some members of Congress are also concerned that the Trump administration might simply refuse to spend money allotted to NASA and other federal agencies in any budget bill. This move, called impoundment, would be controversial, and its legality would likely have to be adjudicated in the courts.

A separate amendment added in Congress to a so-called reconciliation bill and signed into law by Trump on July 4 also adds $1.25 billion for ISS operations through 2029. “We’re still evaluating how that’s going to affect operations going forward, but it’s a positive step,” said Ken Bowersox, NASA’s associate administrator for space operations.

Suffice it to say that while Congress has signaled its intention to keep funding the ISS and many other NASA programs, the amount of money the space agency will actually receive remains uncertain. Trump appointees have directed NASA managers to prepare to operate as if the White House’s proposed cuts will become reality.

For officials in charge of the International Space Station, this means planning for fewer astronauts, reductions in research output, and longer-duration missions to minimize the number of crew rotation flights NASA must pay for. SpaceX is NASA’s primary contractor for crew rotation missions, using its Dragon spacecraft. NASA has a similar contract with Boeing, but that company’s Starliner spacecraft has not been certified for any operational flights to the station.

SpaceX’s next crew mission to the space station, Crew-12, is scheduled to launch early next year. Weigel said NASA is looking at the “entire spectrum” of options to cut back on the space station’s operations and transportation costs. One of those options would be to launch three crew members on Crew-12 instead of the regular four-person complement.

“We don’t have to answer that right now,” Weigel said. “We can actually wait pretty late to make the crew size smaller if we need to. In terms of cargo vehicles, we’re well-supplied through this fall, so in the short term, I’d say, through the end of this year and the beginning of ’26, things look pretty normal in terms of what we have planned for the program.

“But we’re evaluating things, and we’ll be ready to adjust when the budget is passed and when we figure out where we really land.”

Photo of Stephen Clark

Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

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At $250 million, top AI salaries dwarf those of the Manhattan Project and the Space Race


A 24 year-old AI researcher will earn 327x what Oppenheimer made while developing the atomic bomb.

Silicon Valley’s AI talent war just reached a compensation milestone that makes even the most legendary scientific achievements of the past look financially modest. When Meta recently offered AI researcher Matt Deitke $250 million over four years (an average of $62.5 million per year)—with potentially $100 million in the first year alone—it shattered every historical precedent for scientific and technical compensation we can find on record. That includes salaries during the development of major scientific milestones of the 20th century.

The New York Times reported that Deitke had cofounded a startup called Vercept and previously led the development of Molmo, a multimodal AI system, at the Allen Institute for Artificial Intelligence. His expertise in systems that juggle images, sounds, and text—exactly the kind of technology Meta wants to build—made him a prime target for recruitment. But he’s not alone: Meta CEO Mark Zuckerberg reportedly also offered an unnamed AI engineer $1 billion in compensation to be paid out over several years. What’s going on?

These astronomical sums reflect what tech companies believe is at stake: a race to create artificial general intelligence (AGI) or superintelligence—machines capable of performing intellectual tasks at or beyond the human level. Meta, Google, OpenAI, and others are betting that whoever achieves this breakthrough first could dominate markets worth trillions. Whether this vision is realistic or merely Silicon Valley hype, it’s driving compensation to unprecedented levels.

To put these salaries in a historical perspective: J. Robert Oppenheimer, who led the Manhattan Project that ended World War II, earned approximately $10,000 per year in 1943. Adjusted for inflation using the US Government’s CPI Inflation Calculator, that’s about $190,865 in today’s dollars—roughly what a senior software engineer makes today. The 24-year-old Deitke, who recently dropped out of a PhD program, will earn approximately 327 times what Oppenheimer made while developing the atomic bomb.

Many top athletes can’t compete with these numbers. The New York Times noted that Steph Curry’s most recent four-year contract with the Golden State Warriors was $35 million less than Deitke’s Meta deal (although soccer superstar Cristiano Ronaldo will make $275 million this year as the highest-paid professional athlete in the world).  The comparison prompted observers to call this an “NBA-style” talent market—except the AI researchers are making more than NBA stars.

Racing toward “superintelligence”

Mark Zuckerberg recently told investors that Meta plans to continue throwing money at AI talent “because we have conviction that superintelligence is going to improve every aspect of what we do.” In a recent open letter, he described superintelligent AI as technology that would “begin an exciting new era of individual empowerment,” despite declining to define what superintelligence actually is.

This vision explains why companies treat AI researchers like irreplaceable assets rather than well-compensated professionals. If these companies are correct, the first to achieve artificial general intelligence or superintelligence won’t just have a better product—they’ll have technology that could invent endless new products or automate away millions of knowledge-worker jobs and transform the global economy. The company that controls that kind of technology could become the richest company in history by far.

So perhaps it’s not surprising that even the highest salaries of employees from the early tech era pale in comparison to today’s AI researcher salaries. Thomas Watson Sr., IBM’s legendary CEO, received $517,221 in 1941—the third-highest salary in America at the time (about $11.8 million in 2025 dollars). The modern AI researcher’s package represents more than five times Watson’s peak compensation, despite Watson building one of the 20th century’s most dominant technology companies.

The contrast becomes even more stark when considering the collaborative nature of past scientific achievements. During Bell Labs’ golden age of innovation—when researchers developed the transistor, information theory, and other foundational technologies—the lab’s director made about 12 times what the lowest-paid worker earned.  Meanwhile, Claude Shannon, who created information theory at Bell Labs in 1948, worked on a standard professional salary while creating the mathematical foundation for all modern communication.

The “Traitorous Eight” who left William Shockley to found Fairchild Semiconductor—the company that essentially birthed Silicon Valley—split ownership of just 800 shares out of 1,325 total when they started. Their seed funding of $1.38 million (about $16.1 million today) for the entire company is a fraction of what a single AI researcher now commands.

Even Space Race salaries were far cheaper

The Apollo program offers another striking comparison. Neil Armstrong, the first human to walk on the moon, earned about $27,000 annually—roughly $244,639 in today’s money. His crewmates Buzz Aldrin and Michael Collins made even less, earning the equivalent of $168,737 and $155,373, respectively, in today’s dollars. Current NASA astronauts earn between $104,898 and $161,141 per year. Meta’s AI researcher will make more in three days than Armstrong made in a year for taking “one giant leap for mankind.”

The engineers who designed the rockets and mission control systems for the Apollo program also earned modest salaries by modern standards. A 1970 NASA technical report provides a window into these earnings by analyzing salary data for the entire engineering profession. The report, which used data from the Engineering Manpower Commission, noted that these industry-wide salary curves corresponded directly to the government’s General Schedule (GS) pay scale on which NASA’s own employees were paid.

According to a chart in the 1970 report, a newly graduated engineer in 1966 started with an annual salary of between $8,500 and $10,000 (about $84,622 to $99,555 today). A typical engineer with a decade of experience earned around $17,000 annually ($169,244 today). Even the most elite, top-performing engineers with 20 years of experience peaked at a salary of around $278,000 per year in today’s dollars—a sum that a top AI researcher like Deitke can now earn in just a few days.

Why the AI talent market is different

An image of a faceless human silhouette (chest up) with exposed microchip contacts and circuitry erupting from its open head. This visual metaphor explores transhumanism, AI integration, or the erosion of organic thought in the digital age. The stark contrast between the biological silhouette and mechanical components highlights themes of technological dependence or posthuman evolution. Ideal for articles on neural implants, futurism, or the ethics of human augmentation.

This isn’t the first time technical talent has commanded premium prices. In 2012, after three University of Toronto academics published AI research, they auctioned themselves to Google for $44 million (about $62.6 million in today’s dollars). By 2014, a Microsoft executive was comparing AI researcher salaries to NFL quarterback contracts. But today’s numbers dwarf even those precedents.

Several factors explain this unprecedented compensation explosion. We’re in a new realm of industrial wealth concentration unseen since the Gilded Age of the late 19th century. Unlike previous scientific endeavors, today’s AI race features multiple companies with trillion-dollar valuations competing for an extremely limited talent pool. Only a small number of researchers have the specific expertise needed to work on the most capable AI systems, particularly in areas like multimodal AI, which Deitke specializes in. And AI hype is currently off the charts as “the next big thing” in technology.

The economics also differ fundamentally from past projects. The Manhattan Project cost $1.9 billion total (about $34.4 billion adjusted for inflation), while Meta alone plans to spend tens of billions annually on AI infrastructure. For a company approaching a $2 trillion market cap, the potential payoff from achieving AGI first dwarfs Deitke’s compensation package.

One executive put it bluntly to The New York Times: “If I’m Zuck and I’m spending $80 billion in one year on capital expenditures alone, is it worth kicking in another $5 billion or more to acquire a truly world-class team to bring the company to the next level? The answer is obviously yes.”

Young researchers maintain private chat groups on Slack and Discord to share offer details and negotiation strategies. Some hire unofficial agents. Companies not only offer massive cash and stock packages but also computing resources—the NYT reported that some potential hires were told they would be allotted 30,000 GPUs, the specialized chips that power AI development.

Also, tech companies believe they’re engaged in an arms race where the winner could reshape civilization. Unlike the Manhattan Project or Apollo program, which had specific, limited goals, the race for artificial general intelligence ostensibly has no ceiling. A machine that can match human intelligence could theoretically improve itself, creating what researchers call an “intelligence explosion” that could potentially offer cascading discoveries—if it actually comes to pass.

Whether these companies are building humanity’s ultimate labor replacement technology or merely chasing hype remains an open question, but we’ve certainly traveled a long way from the $8 per diem that Neil Armstrong received for his moon mission—about $70.51 in today’s dollars—before deductions for the “accommodations” NASA provided on the spacecraft. After Deitke accepted Meta’s offer, Vercept co-founder Kiana Ehsani joked on social media, “We look forward to joining Matt on his private island next year.”

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Benj Edwards is Ars Technica’s Senior AI Reporter and founder of the site’s dedicated AI beat in 2022. He’s also a tech historian with almost two decades of experience. In his free time, he writes and records music, collects vintage computers, and enjoys nature. He lives in Raleigh, NC.

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The curious case of Russia’s charm offensive with NASA this week

Although NASA and its counterpart in Russia, Roscosmos, continue to work together on a daily basis, the leaders of the two organizations have not held face-to-face meetings since the middle of the first Trump administration, back in October 2018.

A lot has changed in the nearly eight years since then, including the Russian invasion of Ukraine, the rocky departure of Roscosmos leader Dmitry Rogozin in 2022 who was subsequently dispatched to the front lines of the war, several changes in NASA leadership, and more.

This drought in high-level meetings was finally broken this week when the relatively new leader of Roscosmos, Roscosmos Director General Dmitry Bakanov, visited the United States to view the launch of the Crew-11 mission from Florida, which included cosmonaut Oleg Platonov. Bakanov has also met with some of NASA’s human spaceflight leaders at Johnson Space Center in Houston.

Notably, NASA has provided almost no coverage of the visit. However, the state-operated Russian news service, TASS, has published multiple updates. For example, on Thursday at Kennedy Space Center, TASS reported that Bakanov and Acting NASA Administrator Sean Duffy discussed the future of the International Space Station.

Future of ISS partnership

“The conversation went quite well,” Bakanov is quoted as saying. “We agreed to continue using the ISS until 2028. It’s important that the new NASA chief confirmed this. We will work on the deorbiting process until 2030.”

A separate TASS report also quoted Duffy as saying NASA and Roscosmos should continue to work together despite high geopolitical tensions on Earth.

“What’s unique is we might find disagreement with conflict here, which we have,” Duffy said. “We have wild disagreement with the Russians on Ukraine, but what you see is we find points of agreement and points of partnership, which is what we have with the International Space Station and Russians, and so through hard times, we don’t throw those relationships away. We’re going to continue to work on the problems that we have here, but we’re going to continue to build alliances and partnerships and friendships as humanity continues to advance in space exploration.”

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Lawmakers writing NASA’s budget want a cheaper upper stage for the SLS rocket


Eliminating the Block 1B upgrade now would save NASA at least $500 million per year.

Artist’s illustration of the Boeing-developed Exploration Upper Stage, with four hydrogen-fueled RL10 engines. Credit: NASA

Not surprisingly, Congress is pushing back against the Trump administration’s proposal to cancel the Space Launch System, the behemoth rocket NASA has developed to propel astronauts back to the Moon.

Spending bills making their way through both houses of Congress reject the White House’s plan to wind down the SLS rocket after two more launches, but the text of a draft budget recently released by the House Appropriations Committee suggests an openness to making some major changes to the program.

The next SLS flight, called Artemis II, is scheduled to lift off early next year to send a crew of four astronauts around the far side of the Moon. Artemis III will follow a few years later on a mission to attempt a crew lunar landing at the Moon’s south pole. These missions follow Artemis I, a successful unpiloted test flight in 2022.

After Artemis III, the official policy of the Trump administration is to terminate the SLS program, along with the Orion crew capsule designed to launch on top of the rocket. The White House also proposed canceling NASA’s Gateway, a mini-space station to be placed in orbit around the Moon. NASA would instead procure commercial launches and commercial spacecraft to ferry astronauts between the Earth and the Moon, while focusing the agency’s long-term gaze toward Mars.

CYA EUS?

House and Senate appropriations bills would preserve SLS, Orion, and the Gateway. However, the House version of NASA’s budget has an interesting paragraph directing NASA to explore cheaper, faster options for a new SLS upper stage.

NASA has tasked Boeing, which also builds SLS core stages, to develop an Exploration Upper Stage for debut on the Artemis IV mission, the fourth flight of the Space Launch System. This new upper stage would have large propellant tanks and carry four engines instead of the single engine used on the rocket’s interim upper stage, which NASA is using for the first three SLS flights.

The House version of NASA’s fiscal year 2026 budget raises questions about the long-term future of the Exploration Upper Stage. In one section of the bill, House lawmakers would direct NASA to “evaluate alternatives to the current Exploration Upper Stage (EUS) design for SLS.” The committee members wrote the evaluation should focus on reducing development and production costs, shortening the schedule, and maintaining the SLS rocket’s lift capability.

“NASA should also evaluate how alternative designs could support the long-term evolution of SLS and broader exploration goals beyond low-Earth orbit,” the lawmakers wrote. “NASA is directed to assess various propulsion systems, stage configurations, infrastructure compatibility, commercial and international collaboration opportunities, and the cost and schedule impacts of each alternative.”

The SLS rocket is expensive, projected to cost at least $2.5 billion per launch, not counting development costs or expenses related to the Orion spacecraft and the ground systems required to launch it at Kennedy Space Center in Florida. Those figures bring the total cost of an Artemis mission using SLS and Orion to more than $4 billion, according to NASA’s inspector general.

NASA’s Block 1B version of the SLS rocket will be substantially larger than Block 1. Credit: NASA

The EUS is likewise an expensive undertaking. Last year, NASA’s inspector general reported that the new upper stage’s development costs had ballooned from $962 million to $2.8 billion, and the Boeing-led project had been delayed more than six years. The version of the SLS rocket with the EUS, known as Block 1B, is supposed to deliver a 40 percent increase in performance over the Block 1 configuration used on the first three Space Launch System flights. Overall, NASA’s inspector general projected Block 1B’s development costs to total $5.7 billion.

Eliminating the Block 1B upgrade now would save NASA at least $500 million per year, and perhaps more if NASA could also end work on a costly mobile launch tower specifically designed to support SLS Block 1B missions.

NASA can’t go back to the interim upper stage, which is based on the design of the upper stage that flew on United Launch Alliance’s (ULA’s) now-retired Delta IV Heavy rocket. ULA has shut down its Delta production line, so there’s no way to build any more. What ULA does have is a new high-energy upper stage called Centaur V. This upper stage is sized for ULA’s new Vulcan rocket, with more capability than the interim upper stage but with lower performance than the larger EUS.

A season of compromise, maybe

Ars’ Eric Berger wrote last year about the possibility of flying the Centaur V upper stage on SLS missions.

Incorporating the Centaur V wouldn’t maintain the SLS rocket’s lift capability, as the House committee calls for in its appropriations bill. The primary reason for improving the rocket’s performance is to give SLS Block 1B enough oomph to carry “co-manifested” payloads, meaning it can launch an Orion crew capsule and equipment for NASA’s Gateway lunar space station on a single flight. The lunar Gateway is also teed up for cancellation in Trump’s budget proposal, but both congressional appropriations bills would save it, too. If the Gateway escapes cancellation, there are ways to launch its modules on commercial rockets.

Blue Origin also has an upper stage that could conceivably fly on the Space Launch System. But the second stage for Blue Origin’s New Glenn rocket would be a more challenging match for SLS for several reasons, chiefly its 7-meter (23-foot) diameter—too wide to be a drop-in replacement for the interim upper stage used on Block 1. ULA’s Centaur V is much closer in size to the existing upper stage.

The House budget bill has passed a key subcommittee vote but won’t receive a vote from the full appropriations committee until after Congress’s August recess. A markup of the bill by the House Appropriations Committee scheduled for Thursday was postponed after Speaker Mike Johnson announced an early start to the recess this week.

Ars reported last week on the broad strokes of how the House and Senate appropriations bills would affect NASA. Since then, members of the House Appropriations Committee released the text of the report attached to their version of the NASA budget. The report, which includes the paragraph on the Exploration Upper Stage, provides policy guidance and more detailed direction on where NASA should spend its money.

The House’s draft budget includes $2.5 billion for the Space Launch System, close to this year’s funding level and $500 million more than the Trump administration’s request for the next fiscal year, which begins October 1. The budget would continue development of SLS Block 1B and the Exploration Upper Stage while NASA completes a six-month study of alternatives.

The report attached to the Senate appropriations bill for NASA has no specific instructions regarding the Exploration Upper Stage. But like the House bill, the Senate’s draft budget directs NASA to continue ordering spares and long-lead parts for SLS and Orion missions beyond Artemis III. Both versions of the NASA budget require the agency to continue with SLS and Orion until a suitable commercial, human-rated rocket and crew vehicle are proven ready for service.

In a further indication of Congress’ position on the SLS and Orion programs, lawmakers set aside more than $4 billion for the procurement of SLS rockets for the Artemis IV and Artemis V rockets in the reconciliation bill signed into law by President Donald Trump earlier this month.

Congress must pass a series of federal appropriations bills by October 1, when funding for the current fiscal year runs out. If Congress doesn’t act by then, it could pass a continuing resolution to maintain funding at levels close to this year’s budget or face a government shutdown.

Lawmakers will reconvene in Washington, DC, in early September in hopes of finishing work on the fiscal year 2026 budget. The section of the budget that includes NASA still must go through a markup hearing by the House Appropriations Committee and pass floor votes in the House and Senate. Then the two chambers will have to come to a compromise on the differences in their appropriations bill. Only then can the budget be put to another vote in each chamber and go to the White House for Trump’s signature.

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Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

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SpaceX launches a pair of NASA satellites to probe the origins of space weather


“This is going to really help us understand how to predict space weather in the magnetosphere.”

This artist’s illustration of the Earth’s magnetosphere shows the solar wind (left) streaming from the Sun, and then most of it being blocked by Earth’s magnetic field. The magnetic field lines seen here fold in toward Earth’s surface at the poles, creating polar cusps. Credit: NASA/Goddard Space Flight Center

Two NASA satellites rocketed into orbit from California aboard a SpaceX Falcon 9 rocket Wednesday, commencing a $170 million mission to study a phenomenon of space physics that has eluded researchers since the dawn of the Space Age.

The twin spacecraft are part of the NASA-funded TRACERS mission, which will spend at least a year measuring plasma conditions in narrow regions of Earth’s magnetic field known as polar cusps. As the name suggests, these regions are located over the poles. They play an important but poorly understood role in creating colorful auroras as plasma streaming out from the Sun interacts with the magnetic field surrounding Earth.

The same process drives geomagnetic storms capable of disrupting GPS navigation, radio communications, electrical grids, and satellite operations. These outbursts are usually triggered by solar flares or coronal mass ejections that send blobs of plasma out into the Solar System. If one of these flows happens to be aimed at Earth, we are treated with auroras but vulnerable to the storm’s harmful effects.

For example, an extreme geomagnetic storm last year degraded GPS navigation signals, resulting in more than $500 million in economic losses in the agriculture sector as farms temporarily suspended spring planting. In 2022, a period of elevated solar activity contributed to the loss of 40 SpaceX Starlink satellites.

“Understanding our Sun and the space weather it produces is more important to us here on Earth, I think, than most realize,” said Joe Westlake, director of NASA’s heliophysics division.

NASA’s two TRACERS satellites launched Wednesday aboard a SpaceX Falcon 9 rocket from Vandenberg Space Force Base, California. Credit: SpaceX

The launch of TRACERS was delayed 24 hours after a regional power outage disrupted air traffic control over the Pacific Ocean near the Falcon 9 launch site on California’s Central Coast, according to the Federal Aviation Administration. SpaceX called off the countdown Tuesday less than a minute before liftoff, then rescheduled the flight for Wednesday.

TRACERS, short for Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites, will study a process known as magnetic reconnection. As particles in the solar wind head out into the Solar System at up to 1 million mph, they bring along pieces of the Sun’s magnetic field. When the solar wind reaches our neighborhood, it begins interacting with Earth’s magnetic field.

The high-energy collision breaks and reconnects magnetic field lines, flinging solar wind particles across Earth’s magnetosphere at speeds that can approach the speed of light. Earth’s field draws some of these particles into the polar cusps, down toward the upper atmosphere. This is what creates dazzling auroral light shows and potentially damaging geomagnetic storms.

Over our heads

But scientists still aren’t sure how it all works, despite the fact that it’s happening right over our heads, within the reach of countless satellites in low-Earth orbit. But a single spacecraft won’t do the job. Scientists need at least two spacecraft, each positioned in bespoke polar orbits and specially instrumented to measure magnetic fields, electric fields, electrons, and ions.

That’s because magnetic reconnection is a dynamic process, and a single satellite would provide just a snapshot of conditions over the polar cusps every 90 minutes. By the time the satellite comes back around on another orbit, conditions will have changed, but scientists wouldn’t know how or why, according to David Miles, principal investigator for the TRACERS mission at the University of Iowa.

“You can’t tell, is that because the system itself is changing?” Miles said. “Is that because this magnetic reconnection, the coupling process, is moving around? Is it turning on and off, and if it’s turning on and off, how quickly can it do it? Those are fundamental things that we need to understand… how the solar wind arriving at the Earth does or doesn’t transfer energy to the Earth system, which has this downstream effect of space weather.”

This is why the tandem part of the TRACERS name is important. The novel part of this mission is it features two identical spacecraft, each about the size of a washing machine flying at an altitude of 367 miles (590 kilometers). Over the course of the next few weeks, the TRACERS satellites will drift into a formation with one trailing the other by about two minutes as they zip around the world at nearly five miles per second. This positioning will allow the satellites to sample the polar cusps one right after the other, instead of forcing scientists to wait another 90 minutes for a data refresh.

With TRACERS, scientists hope to pick apart smaller, fast-moving changes with each satellite pass. Within a year, TRACERS should collect 3,000 measurements of magnetic reconnections, a sample size large enough to start identifying why some space weather events evolve differently than others.

“Not only will it get a global picture of reconnection in the magnetosphere, but it’s also going to be able to statistically study how reconnection depends on the state of the solar wind,” said John Dorelli, TRACERS mission scientist at NASA’s Goddard Space Flight Center. “This is going to really help us understand how to predict space weather in the magnetosphere.”

One of the two TRACERS satellites undergoes launch preparations at Millennium Space Systems, the spacecraft’s manufacturer. Credit: Millennium Space Systems

“If we can understand these various different situations, whether it happens suddenly if you have one particular kind of event, or it happens in lots of different places, then we have a better way to model that and say, ‘Ah, here’s the likelihood of seeing a certain kind of effect that would affect humans,'” said Craig Kletzing, the principal investigator who led the TRACERS science team until his death in 2023.

There is broader knowledge to be gained with a mission like TRACERS. Magnetic reconnection is ubiquitous throughout the Universe, and the same physical processes produce solar flares and coronal mass ejections from the Sun.

Hitchhiking to orbit

Several other satellites shared the ride to space with TRACERS on Wednesday.

These secondary payloads included a NASA-sponsored mission named PExT, a small technology demonstration satellite carrying an experimental communications package capable of connecting with three different networks: NASA’s government-owned Tracking and Data Relay Satellites (TDRS) and commercial satellite networks owned by SES and Viasat.

What’s unique about the Polylingual Experimental Terminal, or PExT, is its ability to roam across multiple satellite relay networks. The International Space Station and other satellites in low-Earth orbit currently connect to controllers on the ground through NASA’s TDRS satellites. But NASA will retire its TDRS satellites in the 2030s and begin purchasing data relay services using commercial satellite networks.

The space agency expects to have multiple data relay providers, so radios on future NASA satellites must be flexible enough to switch between networks mid-mission. PExT is a pathfinder for these future missions.

Another NASA-funded tech demo named Athena EPIC was also aboard the Falcon 9 rocket. Led by NASA’s Langley Research Center, this mission uses a scalable satellite platform developed by a company named NovaWurks, using building blocks to piece together everything a spacecraft needs to operate in space.

Athena EPIC hosts a single science instrument to measure how much energy Earth radiates into space, an important data point for climate research. But the mission’s real goal is to showcase how an adaptable satellite design, such as this one using NovaWurks’ building block approach, might be useful for future NASA missions.

A handful of other payloads rounded out the payload list for Wednesday’s launch. They included REAL, a NASA-funded CubeSat project to investigate the Van Allen radiation belts and space weather, and LIDE, an experimental 5G communications satellite backed by the European Space Agency. Five commercial spacecraft from the Australian company Skykraft also launched to join a constellation of small satellites to provide tracking and voice communications between air traffic controllers and aircraft over remote parts of the world.

Photo of Stephen Clark

Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

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Trump wants to “eliminate or expedite” environmental rules for rocket launches


Who cares about environmental impacts?

SpaceX, other commercial launch firms, have been seeking this change in policy.

In the background, a Falcon 9 rocket climbs away from Space Launch Complex 40 at Cape Canaveral Space Force Station, Florida. Another Falcon 9 stands on its launch pad at neighboring Kennedy Space Center awaiting its opportunity to fly.

The Trump administration is considering slashing rules meant to protect the environment and the public during commercial rocket launches, changes that companies like Elon Musk’s SpaceX have long sought.

A draft executive order being circulated among federal agencies, and viewed by ProPublica, directs Secretary of Transportation Sean Duffy to “use all available authorities to eliminate or expedite” environmental reviews for launch licenses. It could also, in time, require states to allow more launches or even more launch sites—known as spaceports—along their coastlines.

The order is a step toward the rollback of federal oversight that Musk, who has fought bitterly with the Federal Aviation Administration over his space operations, and others have pushed for. Commercial rocket launches have grown exponentially more frequent in recent years.

Critics warn such a move could have dangerous consequences.

“It would not be reasonable for them to be rescinding regulations that are there to protect the public interest, and the public, from harm,” said Jared Margolis, a senior attorney for the Center for Biological Diversity, a nonprofit that works to protect animals and the environment. “And that’s my fear here: Are they going to change things in a way that puts people at risk, that puts habitats and wildlife at risk?”

The White House did not answer questions about the draft order.

“The Trump administration is committed to cementing America’s dominance in space without compromising public safety or national security,” said White House spokesperson Kush Desai. “Unless announced by President Trump, however, discussion about any potential policy changes should be deemed speculation.”

The order would give Trump even more direct control over the space industry’s chief regulator by turning the civil servant position leading the FAA’s Office of Commercial Space Transportation into a political appointment. The last head of the office and two other top officials recently took voluntary separation offers.

The order would also create a new adviser to the transportation secretary to shepherd in deregulation of the space industry.

The draft order comes as SpaceX is ramping up its ambitious project to build a reusable deep-space rocket to carry people to Earth’s orbit, the moon and eventually Mars. The rocket, called Starship, is the largest, most powerful ever built, standing 403 feet tall with its booster. The company has hit some milestones but has also been beset by problems, as three of the rockets launched from Texas this year have exploded—disrupting air traffic and raining debris on beaches and roads in the Caribbean and Gulf waters.

The draft order also seeks to restrict the authority of state coastal officials who have challenged commercial launch companies like SpaceX, documents show. It could lead to federal officials interfering with state efforts to enforce their environmental rules when they conflict with the construction or operation of spaceports.

Derek Brockbank, executive director for the Coastal States Organization, said the proposed executive order could ultimately force state commissions to prioritize spaceport infrastructure over other land uses, such as renewable energy, waterfront development, or coastal restoration, along the coastline. His nonprofit represents 34 coastal states and territories.

“It’s concerning that it could potentially undermine the rights of a state to determine how it wants its coast used, which was the very fundamental premise of the congressionally authorized Coastal Zone Management Act,” he said. “We shouldn’t see any president, no matter what their party is, coming in and saying, ‘This is what a state should prioritize or should do.’”

SpaceX is already suing the California Coastal Commission, accusing the agency of political bias and interference with the company’s efforts to increase the number of Falcon 9 rocket launches from Vandenberg Space Force Base. The reusable Falcon 9 is SpaceX’s workhorse rocket, ferrying satellites to orbit and astronauts to the International Space Station.

The changes outlined in the order would greatly benefit SpaceX, which launches far more rockets into space than any other company in the US. But it would also help rivals such as Jeff Bezos’ Blue Origin and California-based Rocket Lab. The companies have been pushing to pare down oversight for years, warning that the US is racing with China to return to the moon—in hopes of mining resources like water and rare earth metals and using it as a stepping stone to Mars—and could lose if regulations don’t allow US companies to move faster, said Dave Cavossa, president of the Commercial Space Federation, a trade group that represents eight launch companies, including SpaceX, Blue Origin, and Rocket Lab.

“It sounds like they’ve been listening to industry, because all of those things are things that we’ve been advocating for strongly,” Cavossa said when asked about the contents of the draft order.

Cavossa said he sees “some sort of environmental review process” continuing to take place. “What we’re talking about doing is right-sizing it,” he said.

He added, “We can’t handle a yearlong delay for launch licenses.”

The former head of the FAA’s commercial space office said at a Congressional hearing last September that the office took an average of 151 days to issue a new license during the previous 11 years.

Commercial space launches have boomed in recent years—from 26 in 2019 to 157 last year. With more than 500 total launches, mostly from Texas, Florida, and California, SpaceX has been responsible for the lion’s share, according to FAA data.

But the company has tangled with the FAA, which last year proposed fining it $633,000 for violations related to two of its launches. The FAA did not answer a question last week about the status of the proposed fine.

SpaceX, Blue Origin, Rocket Lab, and the FAA did not respond to requests for comment.

Currently, the FAA’s environmental reviews look at 14 types of potential impacts that include air and water quality, noise pollution, and land use, and provide details about the launches that are not otherwise available. They have at times drawn big responses from the public.

When SpaceX sought to increase its Starship launches in Texas from five to 25 a year, residents and government agencies submitted thousands of comments. Most of the nearly 11,400 publicly posted comments opposed the increase, a ProPublica analysis found. The FAA approved the increase anyway earlier this year. After conducting an environmental assessment for the May launch of SpaceX’s Starship Flight 9 from Texas, the FAA released documents that revealed as many as 175 airline flights could be disrupted and Turks and Caicos’ Providenciales International Airport would need to close during the launch.

In addition to seeking to cut short environmental reviews, the executive order would open the door for the federal government to rescind sections of the federal rule that seeks to keep the public safe during launches and reentries.

The rule, referred to as Part 450, was approved during Trump’s first term and aimed to streamline commercial space regulations and speed approvals of launches. But the rule soon fell out of favor with launch companies, which said the FAA didn’t provide enough guidance on how to comply and was taking too long to review applications.

Musk helped lead the charge. Last September, he told attendees at a conference in Los Angeles, “It really should not be possible to build a giant rocket faster than paper can move from one desk to another.” He called for the resignation of the head of the FAA, who stepped down as Trump took office.

Other operators have expressed similar frustration, and some members of Congress have signaled support for an overhaul. In February, Rep. Brian Babin, R-Texas, and Rep. Zoe Lofgren, D-Calif., signed a letter asking the Government Accountability Office to review the process for approving commercial launches and reentries.

In their letter, Babin and Lofgren wrote they wanted to understand whether the rules are “effectively and efficiently accommodating United States commercial launch and reentry operations, especially as the cadence and technological diversity of such operations continues to increase.

The draft executive order directs the secretary of transportation to “reevaluate, amend, or rescind” sections of Part 450 to “enable a diversified set of operators to achieve an increase in commercial space launch cadence and novel space activities by an order of magnitude by 2030.”

The order also directs the Department of Commerce to streamline regulation of novel space activity, which experts say could include things like mining or making repairs in space, that doesn’t fall under other regulations.

Brandon Roberts and Pratheek Rebala contributed data analysis.

This story originally appeared on ProPublica.

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Nearly 3,000 people are leaving NASA, and this director is one of them

You can add another name to the thousands of employees leaving NASA as the Trump administration primes the space agency for a 25 percent budget cut.

On Monday, NASA announced that Makenzie Lystrup will leave her post as director of the Goddard Space Flight Center on Friday, August 1. Lystrup has held the top job at Goddard since April 2023, overseeing a staff of more than 8,000 civil servants and contractor employees and a budget last year of about $4.7 billion.

These figures make Goddard the largest of NASA’s 10 field centers primarily devoted to scientific research and development of robotic space missions, with a budget and workforce comparable to NASA’s human spaceflight centers in Texas, Florida, and Alabama. Officials at Goddard manage the James Webb and Hubble telescopes in space, and Goddard engineers are assembling the Nancy Grace Roman Space Telescope, another flagship observatory scheduled for launch late next year.

“We’re grateful to Makenzie for her leadership at NASA Goddard for more than two years, including her work to inspire a Golden Age of explorers, scientists, and engineers,” Vanessa Wyche, NASA’s acting associate administrator, said in a statement.

Cynthia Simmons, Goddard’s deputy director, will take over as acting chief at the space center. Simmons started work at Goddard as a contract engineer 25 years ago.

Lystrup came to NASA from Ball Aerospace, now part of BAE Systems, where she managed the company’s work on civilian space projects for NASA and other federal agencies. Before joining Ball Aerospace, Lystrup earned a doctorate in astrophysics from University College London and conducted research as a planetary astronomer.

Formal dissent

The announcement of Lystrup’s departure from Goddard came hours after the release of an open letter to NASA’s interim administrator, Transportation Secretary Sean Duffy, signed by hundreds of current and former agency employees. The letter, titled the “The Voyager Declaration,” identifies what the signatories call “recent policies that have or threaten to waste public resources, compromise human safety, weaken national security, and undermine the core NASA mission.”

Nearly 3,000 people are leaving NASA, and this director is one of them Read More »

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As White House talks about impounding NASA funding, Congress takes the threat seriously

This year, given the recent action on the budget measures, it is possible that Congress could pass Appropriations legislation for most of the federal government, including NASA before October 1.

Certainly there is motivation to do so, because the White House and its Office of Management and Budget, led by Russ Vought, has indicated that in absence of Appropriations legislation it is planning to take measures that would implement the Presidents Budget Request, which set significantly lower spending levels for NASA and other federal agencies.

For example, as Ars reported earlier this month, the principal investigators of NASA science missions that White House seeks to kill have been told to create termination plans that could be implemented within three months, beginning as soon as October 1.

Whether there is a continuing resolution, or shutdown, then, the White House appears likely to go to court to implement its spending priorities at federal agencies, including NASA.

Congress acknowledges the threat

This week the Ranking Members of House committee with oversight over NASA raised the alarm publicly about this in a letter to Sean Duffy, the Secretary of Transportation who was recently named interim administrator of NASA as well.

NASA appears to be acting in accordance with a fringe, extremist ideology emanating from the White House Office of Management and Budget that asserts a right to impound funds appropriated by Congress for the sake of executive branch priorities. Moreover, it now appears that the agency intends to implement funding cuts that were never enacted by Congress in order to “align” the agency’s present-day budget with the Trump Administration’s slash-and-burn proposed budget for the next fiscal year, with seemingly no concern for the devastation that will be caused by mass layoffs, widespread program terminations, and the possible closure of critical centers and facilities. These decisions are wrong, and they are not yours to make.

The letter reminds Duffy that Congress sets the budget, and federal agencies work toward those budget levels. However, the legislators say, NASA is moving ahead with funding freezes for various programs reducing employees across the agency. Approximately 2,700 employees have left the agency since the beginning of the Trump Administration.

As White House talks about impounding NASA funding, Congress takes the threat seriously Read More »

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After a partly successful test flight, European firm eyes space station mission

Last month, the parachutes on Hélène Huby’s small spacecraft failed to deploy, and the vehicle and its cargo crashed into the ocean on Earth.

It was both a success and a failure.

The success was that after Huby founded The Exploration Company in Europe, she managed to move nimbly with the “Mission Possible” spacecraft such that it cost less than $25 million to build and reached space in less than three years. The vehicle ticked off a number of successes in spaceflight before making a controlled descent through the atmosphere.

But at 26 km above the planet, as the spacecraft slowed to Mach one, The Exploration Company lost contact. Huby was not sure how this loss would be received in Europe, where failures in spaceflight have not been traditionally well-tolerated.

“What was interesting is the feedback I got in Europe,” Huby said in an interview this week at the company’s offices in Houston. “The German Space Agency, the French space agency, the European Space Agency said, OK, that’s a great achievement. For the time and money we spent, performing 80 percent of that mission was a good investment.”

No drop tests

After the spacecraft was lost on June 24, the company established an independent investigation team. Huby said it is “99 percent” confirmed there was a problem with the deployment of the parachutes, either the drogue chutes or the main parachutes. The fault was not with the provider of the parachutes themselves, US-based Airborne Systems, but the company’s mechanism, she said.

To save time and money, The Exploration Company did not conduct any drop tests. Such a campaign would have added millions of dollars to a program that was trying to be lean, plus a year of schedule to a mission attempting to move fast.

“We made a mistake, basically, to underestimate the risks,” she said. In retrospect, Huby added, the company could have done more testing on the ground.

Now the firm faces a big decision: How to proceed from here. One option is building another small spacecraft, similar to Mission Possible, for testing purposes. But there is limited commonality in the parachute system for this vehicle and the larger Nyx spacecraft the company is building for operational missions. So if the Mission Possible parachutes were to work, that would not guarantee success for Nyx.

After a partly successful test flight, European firm eyes space station mission Read More »

the-iss-is-nearing-retirement,-so-why-is-nasa-still-gung-ho-about-starliner?

The ISS is nearing retirement, so why is NASA still gung-ho about Starliner?


NASA is doing all it can to ensure Boeing doesn’t abandon the Starliner program.

Boeing’s Starliner spacecraft atop a United Launch Alliance Atlas V rocket before a test flight in 2019. Credit: NASA/Joel Kowsky

Boeing’s Starliner spacecraft atop a United Launch Alliance Atlas V rocket before a test flight in 2019. Credit: NASA/Joel Kowsky

After so many delays, difficulties, and disappointments, you might be inclined to think that NASA wants to wash its hands of Boeing’s troubled Starliner spacecraft.

But that’s not the case.

The manager of NASA’s commercial crew program, Steve Stich, told reporters Thursday that Boeing and its propulsion supplier, Aerojet Rocketdyne, are moving forward with several changes to the Starliner spacecraft to resolve problems that bedeviled a test flight to the International Space Station (ISS) last year. These changes include new seals to plug helium leaks and thermal shunts and barriers to keep the spacecraft’s thrusters from overheating.

Boeing, now more than $2 billion in the hole to pay for all Starliner’s delays, is still more than a year away from executing on its multibillion-dollar NASA contract and beginning crew rotation flights to the ISS. But NASA officials say Boeing remains committed to Starliner.

“We really are working toward a flight as soon as early next year with Starliner, and then ultimately, our goal is to get into crew rotation flights with Starliner,” Stich said. “And those would start no earlier than the second crew rotation slot at the end of next year.”

That would be 11 years after Boeing officials anticipated the spacecraft would enter operational service for NASA when they announced the Starliner program in 2010.

Decision point

The next Starliner flight will probably transport only cargo to the ISS, not astronauts. But NASA hasn’t made any final decisions on the matter. The agency has enough crew rotation missions booked to fly on SpaceX’s Dragon spacecraft to cover the space station’s needs until well into 2027 or 2028.

“I think there are a lot of advantages, I would say, to fly the cargo flight first,” Stich said. “If we really look at the history of Starliner and Dragon, I think Dragon benefited a lot from having earlier [cargo] flights before the crew contract was let for the space station.”

One drawback of flying a Starliner cargo mission is that it will use up one of United Launch Alliance’s remaining Atlas V rockets currently earmarked for a future Starliner crew launch. That means Boeing would have to turn to another rocket to accomplish its full contract with NASA, which covers up to six crew missions.

While Boeing says Starliner can launch on several different rockets, the difficulty of adapting the spacecraft to a new launch vehicle, such as ULA’s Vulcan, shouldn’t be overlooked. Early in Starliner’s development, Boeing and ULA had to overcome an issue with unexpected aerodynamic loads discovered during wind tunnel testing. This prompted engineers to design an aerodynamic extension, or skirt, to go underneath the Starliner spacecraft on top of its Atlas V launcher.

Starliner has suffered delays from the beginning. A NASA budget crunch in the early 2010s pushed back the program about two years, but the rest of the schedule slips have largely fallen on Boeing’s shoulders. The setbacks included a fuel leak and fire during a critical ground test, parachute problems, a redesign to accommodate unanticipated aerodynamic forces, and a computer timing error that cut short Starliner’s first attempt to reach the space station in 2019.

This all culminated in the program’s first test flight with astronauts last summer. But after running into helium leaks and overheating thrusters, the mission ended with Starliner returning to Earth empty, while the spacecraft’s two crew members remained on the International Space Station until they could come home on a SpaceX Dragon spacecraft this year.

The outcome was a stinging disappointment for Boeing. Going into last year’s crew test flight, Boeing appeared to be on the cusp of joining SpaceX and finally earning revenue as one of NASA’s certified crew transportation providers for the ISS.

For several months, Boeing officials were strikingly silent on Starliner’s future. The company declined to release any statements on their long-term commitment to the program, and a Boeing program manager unexpectedly withdrew from a NASA press conference marking the end of the Starliner test flight last September.

Kelly Ortberg, Boeing’s president and CEO, testifies before the Senate Commerce, Science, and Transportation Committee on April 2, 2025, in Washington, DC. Credit: Win McNamee/Getty Images

But that has changed in the last few months. Kelly Ortberg, who took over as Boeing’s CEO last year, told CNBC in April that the company planned “more missions on Starliner” and said work to overcome the thruster issues the spacecraft encountered last year is “pretty straightforward.”

“We know what the problems were, and we’re making corrective actions,” Ortberg said. “So, we hope to do a few more flights here in the coming years.”

Task and purpose

NASA officials remain eager for Starliner to begin these regular crew rotation flights, even as its sole destination, the ISS, enters its sunset years. NASA and its international partners plan to decommission and scuttle the space station in 2030 and 2031, more than 30 years after the launch of the lab’s first module.

NASA’s desire to bring Starliner online has nothing to do with any performance issues with SpaceX, the agency’s other commercial crew provider. SpaceX has met or exceeded all of NASA’s expectations in 11 long-duration flights to the ISS with its Dragon spacecraft. Since its first crew flight in 2020, SpaceX has established a reliable cadence with Dragon missions serving NASA and private customers.

However, there are some questions about SpaceX’s long-term plans for the Dragon program, and those concerns didn’t suddenly spring up last month, when SpaceX founder and chief executive Elon Musk suggested on X that SpaceX would “immediately” begin winding down the Dragon program. The suggestion came as Musk and President Donald Trump exchanged threats and insults on social media amid a feud as the one-time political allies had a dramatic falling out months into Trump’s second term in the White House.

In a subsequent post on X, Musk quickly went back on his threat to soon end the Dragon program. SpaceX officials participating in NASA press conferences in the last few weeks have emphasized the company’s dedication to human spaceflight without specifically mentioning Dragon. SpaceX’s fifth and final human-rated Dragon capsule debuted last month on its first flight to the ISS.

“I would say we’re pretty committed to the space business,” said Bill Gerstenmaier, SpaceX’s vice president of build and flight reliability. “We’re committed to flying humans in space and doing it safely.”

There’s a kernel of truth behind Musk’s threat to decommission Dragon. Musk has long had an appetite to move on from the Dragon program and pivot more of SpaceX’s resources to Starship, the company’s massive next-generation rocket. Starship is envisioned by SpaceX as an eventual replacement for Dragon and the Falcon 9 launcher.

A high-resolution commercial Earth-imaging satellite owned by Maxar captured this view of the International Space Station on June 7, 2024, with Boeing’s Starliner capsule docked at the lab’s forward port (lower right). Credit: Satellite image (c) 2024 Maxar Technologies

NASA hopes commercial space stations can take over for the ISS after its retirement, but there’s no guarantee SpaceX will still be flying Dragon in the 2030s. This injects some uncertainty into plans for commercial space stations.

One possible scenario is that, sometime in the 2030s, the only options for transporting people to and from commercial space stations in low-Earth orbit could be Starliner and Starship. We’ll discuss the rationale for this scenario later in this story.

While the cost of a seat on SpaceX’s Dragon is well known, there’s low confidence in the price of a ticket to low-Earth orbit on Starliner or Starship. What’s more, some of the commercial outposts may be incompatible with Starship because of its enormous mass, which could overcome the ability of a relatively modest space station to control its orientation. NASA identified this as an issue with its Gateway mini-space station in development to fly in orbit around the Moon.

It’s impossible to predict when SpaceX will pull the plug on Dragon. The same goes with Boeing and Starliner. But NASA and other customers are interested in buying more Dragon flights.

If SpaceX can prove Starship is safe enough to launch and land with people onboard, Dragon’s days will be numbered. But Starship is likely at least several years from being human-rated for flights to and from low-Earth orbit. NASA’s contract with SpaceX to develop a version of Starship to land astronauts on the Moon won’t require the ship to be certified for launches and landings on Earth. In some ways, that’s a more onerous challenge than the Moon mission because of the perils of reentering Earth’s atmosphere, which Starship won’t need to endure for a lunar landing, and the ship’s lack of a launch abort system.

Once operational, Starship is designed to carry significantly more cargo and people than Falcon 9 and Dragon, but it’s anyone’s guess when it might be ready for crew missions. Until then, if SpaceX wants to have an operational human spaceflight program, it’s Dragon or bust.

For the International Space Station, it’s also Dragon or bust, at least until Boeing gets going. SpaceX’s capsules are the only US vehicles certified to fly to space with NASA astronauts, and any more US government payments to Russia to launch Americans on Soyuz missions would be politically unpalatable.

From the start of the commercial crew program, NASA sought two contractors providing their own means of flying to and from the ISS. The main argument for this “dissimilar redundancy” was to ensure NASA could still access the space station in the event of a launch failure or some other technical problem. The same argument could be made now that NASA needs two options to avoid being at the whim of one company’s decisions.

Stretching out

All of this is unfolding as the Trump administration seeks to slash funding for the International Space Station, cut back on the lab’s research program, and transition to “minimal safe operations” for the final few years of its life. Essentially, the space station would limp to the finish line, perhaps with a smaller crew than the seven-person staff living and working in it today.

At the end of this month, SpaceX is scheduled to launch the Crew-11 mission—the 12th Dragon crew mission for NASA and the 11th fully operational crew ferry flight to the ISS. Two Americans, one Japanese astronaut, and a Russian cosmonaut will ride to the station for a stay of at least six months.

NASA’s existing contract with SpaceX covers four more long-duration flights to the space station with Dragon, including the mission set to go on July 31.

One way NASA can save money in the space station’s budget is by simply flying fewer missions. Stich said Thursday that NASA is working with SpaceX to extend the Dragon spacecraft’s mission duration limit from seven months to eight months. The recertification of Dragon for a longer mission could be finished later this year, allowing NASA to extend Crew-11’s stay at the ISS if needed. Over time, longer stays mean fewer crew rotation missions.

“We can extend the mission in real-time as needed as we better understand… the appropriations process and what that means relative to the overall station manifest,” Stich said.

Boeing’s Starliner spacecraft backs away from the International Space Station on September 6, 2024, without its crew. Credit: NASA

Boeing’s fixed-price contract with NASA originally covered an unpiloted test flight of Starliner, a demonstration flight with astronauts, and then up to six operational missions delivering crews to the ISS. But NASA has only given Boeing the “Authority To Proceed” for three of its six potential operational Starliner missions. This milestone, known as ATP, is a decision point in contracting lingo where the customer—in this case, NASA—places a firm order for a deliverable. NASA has previously said it awards these task orders about two to three years prior to a mission’s launch.

If NASA opts to go to eight-month missions on the ISS with Dragon and Starliner, the agency’s firm orders for three Boeing missions and four more SpaceX crew flights would cover the agency’s needs into early 2030, not long before the final crew will depart the space station.

Stich said NASA officials are examining their options. These include whether NASA should book more crew missions with SpaceX, authorize Boeing to prepare for additional Starliner flights beyond the first three, or order no more flights at all.

“As we better understand the budget and better understand what’s in front of us, we’re working through that,” Stich said. “It’s really too early to speculate how many flights we’ll fly with each provider, SpaceX and Boeing.”

Planning for the 2030s

NASA officials also have an eye for what happens after 2030. The agency has partnered with commercial teams led by Axiom, Blue Origin, and Voyager Technologies on plans for privately owned space stations in low-Earth orbit to replace some of the research capabilities lost with the end of the ISS program.

The conventional wisdom goes that these new orbiting outposts will be less expensive to operate than the ISS, making them more attractive to commercial clients, ranging from pharmaceutical research and in-space manufacturing firms to thrill-seeking private space tourists. NASA, which seeks to maintain a human presence in low-Earth orbit as it turns toward the Moon and Mars, will initially be an anchor customer until the space stations build up more commercial demand.

These new space stations will need a way to receive cargo and visitors. NASA wants to preserve the existing commercial cargo and crew transport systems so they’re available for commercial space stations in the 2030s. Stich said NASA is looking at transferring the rights for any of the agency’s commercial crew missions that don’t fly to ISS over to the commercial space stations. Among NASA’s two commercial crew providers, it currently looks more likely that Boeing’s contract will have unused capacity than SpaceX’s when the ISS program ends.

This is a sweetener NASA could offer to its stable of private space station developers as they face other hurdles in getting their hardware off the ground. It’s unclear whether a business case exists to justify the expense of building and operating a commercial outpost in orbit or if the research and manufacturing customers that could use a private space station might find a cheaper option in robotic flying laboratories, such as those being developed by Varda Space Industries.

A rendering of Voyager’s Starlab space station. Credit: Voyager Space

NASA’s policies haven’t helped matters. Analysts say NASA’s financial support for private space station developers has lagged, and the agency’s fickle decision-making on when to retire the International Space Station has made private fundraising more difficult. It’s not a business for the faint-hearted. For example, Axiom has gone through several rounds of layoffs in the last year.

The White House’s budget request for fiscal year 2026 proposes a 25 percent cut to NASA’s overall budget, but the funding line for commercial space stations is an area marked for an increase. Still, there’s a decent chance that none of the proposed commercial outposts will be flying when the ISS crashes back to Earth. In that event, China would be the owner and operator of the only space station in orbit.

At least at first, transportation costs will be the largest expense for any company that builds and operates a privately owned space station. It costs NASA about 40 percent more each year to ferry astronauts and supplies to and from the ISS than it does to operate the space station. For a smaller commercial outpost with reduced operating costs, the gap will likely be even wider.

If Boeing can right the ship with Starliner and NASA offers a few prepaid crew missions to private space station developers, the money saved could help close someone’s business case and hasten the launch of a new era in commercial spaceflight.

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Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

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