@StephenClark1

Space Reporter @arstechnica, ex @SpaceflightNow | Reachable at [email protected]

 Texas
arstechnica.com/author/stephenclark/
Joined January 2009
  • Tweets19.6K
  • Following1.4K
  • Followers16.1K
1.1KMedia
And it looks like Boeing will show up this time.
Eric Berger
@SciGuySpace
Sep 25
Coming Monday on Starliner:
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Eric Berger
@SciGuySpace
Sep 25
“There is always a tension that comes with seeing the first of anything fly, right? The other part of this is huge amounts of excitement." arstechnica.com/space/2026/0…

After seven years, a spacecraft company is releasing its Otters into the wild

There is always a tension that comes with seeing the first of anything fly."

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A key space part left over from the James Webb Space Telescope will help make it possible. arstechnica.com/space/2026/0…

NASA green-lights billion-dollar infrared observatory for launch in early 2030s

NASA's PRIMA mission will use spare parts from Webb to do major science at a lower cost.

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Ars Technica
@arstechnica
Sep 23
Former NASA chief sounds alarm on China's lunar "exploration" plans arstechnica.com/space/2026/0…

Former NASA chief sounds alarm on China's lunar "exploration" plans

Beijing's intended strategy is to dominate the high ground of the twenty-first century."

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Europe’s Argonaut lander is pretty much useless to NASA. arstechnica.com/space/2026/0…

NASA chief: I'm only interested in "good deals" from international partners

There was absolutely a time where we were trying to make everyone happy."

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LEO news - NASA and Boeing have discussed having the company's Starliner vehicle handle 10 or more new flights to low-Earth orbit in the years ahead, per our reporting. New piece for @WSJ wsj.com/science/space-astron…

Exclusive | NASA Explores New Missions With Boeing’s Troubled Starliner Spacecraft

The talks are a turnaround for a ship that posed risks to crew members on a 2024 flight to the International Space Station.

wsj.com
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Eric Berger
@SciGuySpace
Sep 17
Dragon really is going away, so NASA is making some contingency plans for human spaceflight. Is everyone ready for Starliner supremacy? arstechnica.com/space/2026/0…

After being sidelined, Boeing's Starliner to get starring role in NASA's spaceflight plans

They should fly their capsule. The government paid a lot of money for that."

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I've seen some uncertainty online on the final wet mass of the Nancy Grace Roman Space Telescope at launch. NASA tells me it was 20,224.1 pounds (9,173.5 kilograms)—heavier than Webb, lighter than Hubble.
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Eric Berger
@SciGuySpace
Sep 15
Going for orbit, finally. A huge milestone. arstechnica.com/space/2026/0…

SpaceX declares Starship ready for orbit, sets launch date next week

Reaching orbit would mark a significant milestone.

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Don’t plan that refueling mission just yet. arstechnica.com/space/2026/0…

The Roman telescope has enough gas for 22 years, double NASA's expectations

The Nancy Grace Roman Space Telescope is the first NASA observatory designed for in-space refueling.

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Stephen Clark retweeted
Eric Berger
@SciGuySpace
Sep 14
MTN takes the drama up to 10. arstechnica.com/space/2026/0…

Rocket Lab is seeing red about NASA's decision on a Mars spacecraft

NASA’s award decision appears to be inconsistent with the eligibility criteria."

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It really seems like today's announcement was inevitable. arstechnica.com/space/2026/0…

For the first time, the US military confirms it has deployed weapons in orbit

The United States now has on-orbit space control weapons capable of defending the joint force."

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1/3 New Blogpost: "RASSVET (2nd batch): Reports of my Death have been Highly Exaggerated" (link to blogpost in tweet 3/3)
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When rideshares just won’t do the job. arstechnica.com/space/2026/0…

Some satellite companies still have an appetite for boutique launch services

Dedicated launch is pretty essential for us for most of our missions."

arstechnica.com
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ULA's launch manifest is "nearly sold out," but the once-dominant launch company now needs a financial lifeline. arstechnica.com/space/2026/0…

Could United Launch Alliance's money problems finally force its owners to sell?

ULA is preparing to resume launching the Vulcan rocket in the coming weeks.

arstechnica.com
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This is one of several international science missions NASA has or may soon withdraw from. arstechnica.com/space/2026/0…

Europe will go it alone on Venus mission after NASA yanks radar instrument

Europe is looking inward, and perhaps to China, as the White House tries to cancel some NASA partnerships.

arstechnica.com
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Stephen Clark retweeted
Eric Berger
@SciGuySpace
Sep 8
Stoke Space goes supernova. arstechnica.com/space/2026/0…

With another huge infusion of cash, Stoke Space goes even bigger

The space economy will grow exactly as fast as we can launch rockets.

arstechnica.com
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This is a big moment for Europe's space industry. arstechnica.com/space/2026/0…

German company becomes first in Europe to launch fully commercial orbital rocket

We achieved within a few years what had taken the European space industry decades before."

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Isar Aerospace's Spectrum rocket has achieved an estimated 500km x 180km orbit, the company says. Spectrum becomes the first German rocket to reach orbit. Looks like the Stage 2 onboard engine cam captured a view of some aurorae following launch from Andøya, Norway.
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A scheduled disassembly eight years in the making. arstechnica.com/space/2026/0…

After 8 years, Europe's BepiColombo mission is on final approach to Mercury

Fundamentally, we want to learn about the origins of this planet and how it came to be like it is."

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