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Received — 5 June 2026 ⏭ Ars Technica - Space

The saga of the International Space Station air leak took a worrying turn Friday

5 June 2026 at 20:03

Five of the seven crew members on the International Space Station briefly sought refuge inside a SpaceX return capsule Friday morning as two Russian cosmonauts worked on an air leak on the other end of the complex.

NASA ordered US astronauts Jessica Meir and Jack Hathaway, French astronaut Sophie Adenot, and Russian cosmonaut Andrey Fedyaev into SpaceX's Crew Dragon Freedom spacecraft around 9 am EST (14:00 UTC) on Friday. The foursome launched aboard the SpaceX crew capsule on the Crew-12 mission in February, and the ship serves as their lifeboat until the crew's scheduled return to Earth in September.

NASA astronaut Chris Williams, who flew to the station in a Russian Soyuz ferry ship, joined the Crew-12 astronauts inside the Dragon spacecraft.

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Rocket Report: Blue Origin explosion still making headlines; Impulse raises money

5 June 2026 at 15:20

Welcome to Edition 8.44 of the Rocket Report! The news this week is decidedly weighted in favor of heavy-lift rockets, largely due to the fallout from last Thursday's explosion of Blue Origin's New Glenn on its launch pad in Florida. Blue Origin aims to resume launches at the badly damaged launch facility by the end of the year, but there's good reason to be skeptical of this timeline. With New Glenn grounded, will Blue Origin founder Jeff Bezos approach Elon Musk's SpaceX to launch his Blue Moon lander to the lunar south pole? It sure sounds like NASA is pushing for that.

As always, we welcome reader submissions. If you don't want to miss an issue, please subscribe using the box below (the form will not appear on AMP-enabled versions of the site). Each report will include information on small-, medium-, and heavy-lift rockets, as well as a quick look ahead at the next three launches on the calendar.

Spaceport development moves forward in Canada. There's been a lot of talk about the Canadian government's recent commitment to invest in a sovereign launch capability. There was the announcement last year of a federal budget of 182.6 million Canadian dollars ($131 million) over three years to establish a sovereign launch program. In March, the government said it would lease a dedicated launch pad at a commercially developed spaceport in Nova Scotia for national defense purposes, committing 200 million Canadian dollars ($144 million) to the deal. The agreement is a boon for Maritime Launch Services, which is developing Spaceport Nova Scotia after years of slow progress at the coastal site, SpaceQ reports.

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Safety officials finally have a good idea of what a big rocket explosion can do

5 June 2026 at 14:55

Last week's explosion of a New Glenn rocket at Cape Canaveral, Florida, was clearly a setback for Blue Origin and NASA, but it was a learning experience for safety officials looking to open up the spaceport to hundreds more launches per year.

The launch base on Florida's Space Coast is gearing up for a flurry of new arrivals. SpaceX is building multiple launch pads for its super-heavy Starship rocket, which will operate within a few miles of launch pads operated by SpaceX rivals Blue Origin and United Launch Alliance. Two other companies, Stoke Space and Relativity Space, are also developing launch sites along a narrow stretch of coastline at Cape Canaveral Space Force Station.

All of them have, or will soon have, rockets burning methane or liquified natural gas, replacing legacy launch vehicles fueled by kerosene, liquid hydrogen, or solid propellants. There are good technical reasons for making the switch, but until last week, engineers had scant real-world data on the damage that millions of pounds of methane and liquid oxygen would cause if a fully loaded rocket exploded on the launch pad or soon after liftoff.

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© Adam Bernstein/Spaceflight Now

Received — 4 June 2026 ⏭ Ars Technica - Space

After 11 years at Mars, NASA's MAVEN spacecraft went out with a whisper

4 June 2026 at 17:21

NASA's MAVEN spacecraft was in excellent shape when it disappeared behind Mars on December 6 of last year. The routine passage, called an occultation, was supposed to last less than an hour, but ground teams didn't hear from the spacecraft when it was supposed to regain contact with Earth.

The loss of communication triggered contingency plans for engineers to try to restore a link with MAVEN, which orbits Mars more than 200 million miles from Earth. To no avail, they listened for faint signals and uplinked commands in the blind. Hopes of saving the mission faded over time, and NASA officials announced Wednesday that they're giving up on it.

"NASA has ceased efforts to search for the MAVEN spacecraft and are beginning activities to decommission the mission," said Mike Moreau, MAVEN's project manager at NASA's Goddard Space Flight Center in Maryland. 

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Received — 3 June 2026 ⏭ Ars Technica - Space

How long will it take to rebuild Blue Origin's launch pad? We asked some SpaceX vets.

3 June 2026 at 11:00

A former NASA engineer named John Muratore sat on console as launch director in early September 2016 as propellant flowed onto a Falcon 9 rocket in Florida. Ahead of a planned launch two days later, SpaceX was preparing for a static fire test of the vehicle.

Then, all of a sudden, the rocket exploded. "It came out of nowhere, and it was really violent," Muratore said. This fireball resulted in the destruction of the rocket, much of its launch site, and the AMOS-6 satellite already attached to the vehicle.

Nearly a decade later, on May 28, Blue Origin conducted a static fire test of a new rocket, with its larger New Glenn vehicle a few miles down the Florida coast. The company had gotten further into its test, reaching engine ignition, before its rocket also exploded.

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Received — 2 June 2026 ⏭ Ars Technica - Space

In a surprise launch, China debuts another big rocket designed for reusability

2 June 2026 at 17:05

The race to field China's first reusable launch vehicle is far less predictable than a similar competition that played out in the United States a decade ago.

There was never any real question of which company would develop and demonstrate the first reusable orbital-class rocket in the United States. SpaceX landed a Falcon 9 booster for the first time in 2015, and a little more than a year later, it launched it back into space. It took nearly 10 years for anyone else to do the same. Blue Origin celebrated its first orbital-class booster landing last November with the successful recovery of one of its New Glenn boosters, followed by a relaunch of the same rocket in April.

In China, several companies and state-owned enterprises have a realistic shot at landing an orbital-class booster stage this year. For a time, it seemed like China's new crop of privately funded launch companies might have the advantage in accomplishing the first landing of an orbital-class booster. But Monday's launch of China's Long March 12B rocket, backed by the nearly unrestricted resources of the country's vast state-owned aerospace enterprise, suggests the industry's legacy players may now have a leg up.

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© VCG/VCG via Getty Images

Blue Origin has set a very aggressive return-to-flight timeline

2 June 2026 at 16:16

The chief executive of Blue Origin, whose large New Glenn rocket exploded spectacularly less than a week ago at the company's launch site in Florida, vowed Monday night that the company would launch again before the end of 2026.

Writing on the social media site X, Blue Origin's Dave Limp said the company had been able to complete a preliminary survey of the LC-36A launch site.

"Now that we’ve had access to the pad and integration facility, we can share a bit of good news," Limp said. "The propellant farm, oxygen, liquid hydrogen and LNG tanks are all in good shape. This is good luck because these are very long lead items. The water tower is also good."

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Impulse Space raises $500 million as orbital maneuvering race heats up

2 June 2026 at 13:00

Getting around space, as it turns out, is kind of a big deal.

On Tuesday, Impulse Space, a company dedicated to improving space mobility, announced it has raised $500 million in Series D funding. Since it was founded five years ago by SpaceX veteran Tom Mueller, the company has now raised more than $1 billion.

"Timing is everything," Mueller said in an interview about the new round of funding. By this, he means the company has found its way into a lot of markets.

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Received — 31 May 2026 ⏭ Ars Technica - Space

On its 40th anniversary, we reassess 1986's SpaceCamp

Forty years ago, the future seemed just around the corner—and the vehicle that was going to take us there was NASA's Space Shuttle. Originally envisioned as part of a larger integrated space transportation system, the shuttle was billed as a fully reusable vehicle, totally unlike the one-and-done capsules of the fading Apollo era, capable of making monthly (and perhaps even weekly) ferry flights to low Earth orbit.

The shuttle, it was hoped, would transform human space flight from extraordinary to mundane. Brands like Coke and Pepsi were quick to hop aboard and expand the Cola Wars into space, and there were even plans to blast Sesame Street's Big Bird into orbit.

The loss of Challenger in January 1986—carrying educator Christa McAuliffe, who would have been the first private citizen in space—put the kibosh on all of that. The shuttle, while fantastically advanced, would never be the vehicle to help humankind slip all of our surly bonds, so to speak. Even operating at its most frantic peak in 1985 just before Challenger's loss, the shuttle hardware managed a maximum of nine flights in one calendar year; for most of the 1990s, it performed at five or six flights per year. Civilians in space—to say nothing of Big Bird—would have to wait.

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Rocket Report: A dark day for Blue Origin; Pentagon eyes new launch site

29 May 2026 at 14:03

Welcome to Edition 8.43 of the Rocket Report! A disclaimer: No one yet fully appreciates the ramifications of Blue Origin's New Glenn rocket explosion Thursday night on its launch pad at Cape Canaveral, Florida. What we know as of this writing is that much of Blue's sole orbital-class launch pad has been destroyed, and the New Glenn rocket will be grounded for an extended period of time. It is too soon for any hot takes, at least until the Sun rises at the Cape on Friday morning. One thing I am sure of is that we will be writing about this event for weeks, months, and years to come.

As always, we welcome reader submissions. If you don't want to miss an issue, please subscribe using the box below (the form will not appear on AMP-enabled versions of the site). Each report will include information on small-, medium-, and heavy-lift rockets, as well as a quick look ahead at the next three launches on the calendar.

Charting China's contribution to space junk. There's a problem with the drastic uptick in Chinese space launches over the last decade. China appears to be ignoring long-established norms about disposing of the upper stages of rockets, Ars reports. These are the parts of the vehicle that separate from the first stage of a rocket and push a satellite or spacecraft into orbit. In the early decades of spaceflight, launch operators routinely left upper stages in orbit after they released their payloads. But most launch companies today reserve enough propellant in their rockets to remove them from orbit to avoid the risk of spent upper stages becoming a source of space debris. But China is not following this trend. There has been striking growth in China’s rocket body mass. In the past five years, the mass of Chinese rocket bodies in long-lived orbits has risen from less than 100 metric tons to 252, according to a new analysis by Space Domain Awareness expert Jim Shell.

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Here's why the failure of Blue Origin's New Glenn rocket is so catastrophic

29 May 2026 at 13:43

Thursday night's detonation of Blue Origin's New Glenn rocket during a static-fire test produced a spectacular fireball over Florida, sending shards of the rocket flying far and wide, into the sea and across the coastal scrubland nearby.

With sunrise on Friday teams from Blue Origin, the US Space Force, and NASA will be able to begin more thoroughly assessing the damage to Blue Origin's facilities and begin picking up pieces of the rocket.

pic.twitter.com/EfYn4QWW9M

— Nick Johnson (@NickJohnson315) May 29, 2026

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The most spectacular rocket explosion since N1 just happened in Florida

29 May 2026 at 03:21

On Thursday evening, Blue Origin attempted to test fire its massive New Glenn rocket at its Florida launch site, but something went very wrong after engine ignition. The super heavy lift rocket exploded in spectacular and disastrous fashion.

The static fire test was being filmed by NASASpaceflight.com on its Space Coast Live feed, which captured video of the conflagration that followed the destruction of the booster. The first stage of New Glenn, fueled with methane, produced a massive fireball above the launch site along the Florida coast, LC-36A. It is possibly the most dramatic and powerful rocket explosion since the Soviet Union's N1 rocket was destroyed during a launch attempt in 1969.

Blue Origin's New Glenn just blew up at LC-36 while attempting to Static Fire ahead of NG-4.https://t.co/tANS0dWyIH pic.twitter.com/PztxFoBqIw

— NSF - NASASpaceflight.com (@NASASpaceflight) May 29, 2026

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Amazon turns to Jeff Bezos' other company to do some heavy lifting

28 May 2026 at 19:17

It was less than two months ago that the third flight of Blue Origin's heavy-lift New Glenn rocket left a customer's payload in an unusable orbit. Investigators have now identified the cause of the failure, and Blue Origin is preparing to launch the next New Glenn mission as soon as next week.

The Federal Aviation Administration and Blue Origin announced the closure of the failure investigation May 22. Yesterday, officials confirmed Blue Origin's next launch will loft a payload of 48 commercial satellites for Amazon's broadband network in low-Earth orbit. This will be the most satellites Amazon has launched on a single rocket, surpassing previous flights on United Launch Alliance's Atlas V, SpaceX's Falcon 9, and Europe's Ariane 6.

Blue Origin and Amazon, each founded by Jeff Bezos, have not officially revealed a target launch date, but public notices of airspace and maritime closures suggest the mission is set to lift off from Cape Canaveral Space Force Station, Florida, as soon as next Thursday, June 4. Blue Origin is expected to roll the New Glenn rocket to its launch pad in the coming days for a test-firing of its seven main engines, fueled by liquified natural gas and liquid oxygen.

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Mystery GPS jammer in Iran becomes test for NASA satellites’ capabilities

27 May 2026 at 21:43

NASA satellites designed to observe cyclone wind speeds and collapsing ice sheets have also proven capable of identifying the approximate locations of GPS jammers. That could help monitor high-risk areas for aircraft and ships navigating the growing prevalence of GPS interference worldwide.

Two different NASA satellite systems showed how they could locate a known but mysterious GPS jammer within several kilometers of its position in Iran, according to an experiment by Sean Gorman, CEO and cofounder of the location-based technology company Zephr.xyz that was detailed in the magazine GPS World. Such jammers use strong signals to overpower the weaker radio signals coming from US-operated GPS satellites and other global navigation satellite systems.

Such NASA satellites cannot perform “near-real time monitoring” or pinpoint the exact location of GPS jammers, said Clara Chew, principal scientist and lead of the GNSS systems and data team at the California-based satellite manufacturer Muon Space, who was not involved in the study. But Chew told Ars that identifying the approximate locations of GPS jammers “could potentially be helpful for flight planning” or for “indicating high risk areas for maritime shipping.”

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US Space Force confirms SpaceX will build sensor-to-shooter targeting network

27 May 2026 at 19:19

SpaceX has won a lucrative contract to provide the US military with a means of distributing space-based sensing and targeting data, forming the "backbone" of a rearchitected network after separate Pentagon initiatives stalled, officials announced Tuesday.

Space Systems Command, the Space Force's primary procurement and acquisition center, announced the $2.29 billion firm-fixed-price agreement, confirming long-simmering reports that the Pentagon was likely to tap SpaceX for a new communications network in low-Earth orbit. SpaceX's selection for the Space Data Network (SDN) Backbone contract "accelerates the delivery of a resilient, high-speed communications network in space," Space Systems Command said in a statement.

The network will be based on technology originally developed for SpaceX's Starlink global Internet constellation. SpaceX already builds and launches specially designed satellites, called Starshield, for military applications. The SDN Backbone network in low-Earth orbit (LEO) will presumably use the Starshield platform.

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© US Space Force/Gwendolyn Kurzen

NASA takes steps toward building Moon Base, including discussing a "perimeter"

26 May 2026 at 22:03

NASA officials announced contract awards for the initial elements of a lunar base on Tuesday, including two rovers that will provide mobility to astronauts.

With the series of announcements, NASA Administrator Jared Isaacman sought to maintain momentum around a Moon Base initiative revealed two months ago as part of the space agency's return to the Moon. "For those waiting patiently, the grand return is close at hand, and we will not slow down," he said.

The manager for the lunar base, Carlos Garcia-Galan, said the space agency had selected two companies, Astrolab and Lunar Outpost, to build approximately 1-ton rovers that would be ready for delivery to the Moon in 2028. Astrolab will receive $219 million for its "CLV-1" rover, and Lunar Outpost $220 million for its "Pegasus" rover, building upon initial contracts awarded two years ago. Each rover is expected to have a range of 200 km and be capable of driving autonomously, with guidance from operators on Earth, in addition to being driven by astronauts.

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Analyst on China's spent rocket stages: "Things only continue to get worse"

26 May 2026 at 14:57

Up until a decade ago, China had never launched as many as 20 orbital rockets a year. But beginning in 2022, the Asian country launched 64 rockets and last year reached a record total of 93, marking it as the second-most productive space power in the world.

Further growth is anticipated from both the company's state-owned enterprises as well as a rapidly expanding number of private launch companies. There is nothing wrong with this, as China's rapid growth in launch has been mirrored by the United States and, in particular, SpaceX.

However there is an issue with these launches, as China appears to be ignoring long-established norms about disposing of the upper stages of rockets. These are the parts of the vehicle that separate from the first stage of a rocket and push a satellite or spacecraft into orbit.

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© Jim Shell

SpaceX's Starship V3—still a work in progress—mostly successful on first flight

23 May 2026 at 18:54

SpaceX launched the first test flight of its upgraded Starship rocket and Super Heavy booster Friday, with mostly positive results.

The powerful rocket, propelled by 33 methane-fueled main engines, climbed away from SpaceX's Starbase launch facility in South Texas at 5:30 pm CDT (6:30 pm EDT; 22:30 UTC) Friday. Within a few seconds, the 408-foot-tall (124-meter) rocket, the largest ever built, cleared the launch tower and turned onto an eastward heading over the Gulf of Mexico.

Starship splashed down on target in the Indian Ocean a little more than an hour later to conclude the first flight of the latest version of SpaceX's stainless-steel mega-rocket. Starship V3 fared better on its debut than the first flights of Starship V1 and V2 in 2023 and 2025. Both past versions of Starship broke apart during launch on their inaugural flights.

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Two space shuttle-era spacewalkers enter Astronaut Hall of Fame

23 May 2026 at 12:30

Tom Akers and Joe Tanner are finally in the same class.

The two veteran space shuttle crew members were inducted into the US Astronaut Hall of Fame together on May 16. They could also have been in the same NASA astronaut selection group, too, had history played out a little differently.

In 1984, Tanner reported to the Johnson Space Center (JSC) to fly as an instructor pilot and then applied for the next class of astronaut candidates.

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Four Russian satellites are now within striking distance of an ICEYE radarsat

22 May 2026 at 23:50

At least four Russian military satellites changed their orbits to match that of a Finnish-American radar surveillance satellite in the last week, raising questions about Russia's intentions amid an ever-expanding standoff high above Earth.

The maneuvers were identified through open source orbital tracking data. Greg Gillinger, a retired Air Force space intelligence officer, revealed the orbit changes Friday in a special edition of his Integrity Flash newsletter, published by Integrity ISR, a private business that provides "combat-proven operational support and elite training that enhances mission success across ISR (Intelligence, Surveillance, and Reconnaissance), cyber, space, and targeting domains."

The Russian satellites in question, designated Kosmos 2610 through 2613, launched together on April 16 on a Soyuz-2.1b rocket from Plesetsk Cosmodrome in northern Russia. Over the last week or so, the four satellites adjusted their inclinations—the angles of their orbits to the equator—by less than a degree.

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