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Loren Grush

@lorengrush

Space reporter at @bloomberg.com covering NASA, commercial space, and the cosmos | Send tips: LGrush@bloomberg.net | Signal username: lorengrush.56 | Buy my book! https://www.simonandschuster.com/books/The-Six/Loren-Grush/9781982172817

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Latest posts by Loren Grush @lorengrush

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Meet three scientists who said no to Epstein The warning signs included a web search, a mother’s doubts, and inklings of a “sexist attitude”

This is a nice contrast to all the awful behavior confirmed through the Epstein files. Proud of @jenlucpiquant.bsky.social & @seanmcarroll.bsky.social for picking up on the sexism & charlatanism right away.

03.03.2026 15:29 👍 440 🔁 145 💬 8 📌 16
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A World Where All Is Free? That’s Elon Musk’s Theory of ‘Sustainable Abundance.’

Over the last 6 months, Musk has made increasingly outlandish predictions around this theory of "sustainable abundance." In his utopian future, no one will work, money won't matter and everyone will have everything they want.

So what does that slogan really mean?

www.nytimes.com/2026/02/27/b...

27.02.2026 19:34 👍 107 🔁 15 💬 45 📌 12
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NASA Overhauls Moon Mission in Effort to Cut Risks and Costs NASA is shaking up its Artemis mission to the moon, canceling a multibillion-dollar Boeing Co. upgrade to the centerpiece SLS rocket and slotting in a test flight closer to Earth as the program remain...

NASA announced sweeping changes to its Artemis plan this morning in an effort to accelerate the Space Launch System's flight rate. But after years of the program being mismanaged, behind schedule, and over budget, I'm not sure what makes this time different... www.bloomberg.com/news/article...

27.02.2026 16:10 👍 237 🔁 60 💬 32 📌 4
Artemis Update (Feb. 27, 2026)
Artemis Update (Feb. 27, 2026) YouTube video by NASA

NASA's about to announce some updates to its Artemis campaign www.youtube.com/watch?v=eCbQ...

27.02.2026 15:00 👍 10 🔁 1 💬 1 📌 0
Post image

In a NASA statement, Mike Fincke says he was the astronaut who had the medical issue that caused the early return of Crew-11.

25.02.2026 16:20 👍 62 🔁 14 💬 3 📌 4
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NASA Artemis II Rocket Rolls Back to Vehicle Assembly Building NASA’s SLS (Space Launch System) rocket and Orion spacecraft for the Artemis II mission began rolling off the launch pad at 9:28 a.m. EST, Feb. 25 at NASA’s Kennedy Space Center in Florida.

SLS/Orion began its rollback to the VAB at 9:28 am ET. Could take up to 12 hours. The rollback is so they can fix a helium flow problem on the upper stage.
www.nasa.gov/blogs/missio...
NASA is providing a livestream on its YouTube channel. www.youtube.com/watch?v=xCrP...

25.02.2026 14:48 👍 6 🔁 2 💬 0 📌 0

It's Saturday. You're having coffee, going over your calendar for March and planning your life around a massive upcoming moon mission targeted in the next few weeks. Then you open your email www.nasa.gov/blogs/missio...

21.02.2026 16:47 👍 29 🔁 1 💬 3 📌 0
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NASA Puts Starliner Mishap in Same Class as Shuttle Tragedies NASA is putting the botched 2024 test flight of the Starliner capsule in the same category of disaster as the Challenger and Columbia shuttle accidents, underscoring the dramatic failures that kept a ...

The big NASA news today is the investigative report into Boeing's disastrous Starliner program; kudos to @lorengrush.bsky.social for the scoop:

www.bloomberg.com/news/article...

19.02.2026 20:50 👍 13 🔁 5 💬 2 📌 1
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NASA Puts Starliner Mishap in Same Class as Shuttle Tragedies NASA is putting the botched 2024 test flight of the Starliner capsule in the same category of disaster as the Challenger and Columbia shuttle accidents, underscoring the dramatic failures that kept a ...

Today, NASA will release an investigative report on the 2024 botched crew test flight of Boeing's Starliner, where the agency will declare the mission to be a Type A mishap -- the most severe category it can assign www.bloomberg.com/news/article...

19.02.2026 17:51 👍 29 🔁 5 💬 1 📌 0
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LIVE: Artemis II Wet Dress Rehearsal Coverage - NASA Live updates for the Artemis II wet dress rehearsal will be published on this page. Live views of the launch pad and test are available online. All times are

NASA is conducting a second wet dress rehearsal for Artemis II, in which they fully load the rocket with propellant and simulate the countdown to T-30 seconds. If they want to attempt launch in March, this need to go well.

www.nasa.gov/blogs/missio...

19.02.2026 14:52 👍 243 🔁 54 💬 9 📌 6
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Epstein’s Ties With Academics Show the Seedy Side of College Fund-Raising

“It’s a tough area for institutions,” said Gene Tempel, the founding dean emeritus of Indiana University’s School of Philanthropy and a former president of the university’s foundation. “They are in search of money, and the old saw about tainted money is tain’t enough of it.”

16.02.2026 16:53 👍 10 🔁 2 💬 0 📌 0

Couldn’t have imagined this is where this story would land back in 2022.

10.02.2026 23:28 👍 17 🔁 3 💬 0 📌 0
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Musk Shifts Focus to Moon as Mars Mission Remains Years Away While most Americans were transfixed by this year’s Super Bowl proceedings on Sunday night, Elon Musk took to X to proclaim that SpaceX would focus on building out a base on the moon before sending hu...

Sure, you can technically delay a Mars mission that was never going to happen this year, just like I'm delaying my debut as a free soloist, which was DEFINITELY going to happen this year. I have decided I also need to wait for the planets to realign www.bloomberg.com/news/article...

09.02.2026 15:25 👍 51 🔁 5 💬 2 📌 1
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Elon Musk's SpaceX company town is getting a police department | TechCrunch The new department will have up to eight police officers and could be up and running in a few months.

NEW: Elon Musk's company town in Texas, Starbase, is getting its own police department.

Expected to have eight officers and could be up and running in a few months.

Comes after a deal w/ Cameron County Sheriff's Office broke down.

techcrunch.com/2026/02/04/e...

04.02.2026 21:49 👍 36 🔁 15 💬 10 📌 13
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A staggering statement from former Washington Post editor Marty Baron: "This ranks among the darkest days in the history of one of the world's greatest news organizations."

04.02.2026 14:34 👍 7506 🔁 2659 💬 236 📌 228
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NASA Conducts Artemis II Fuel Test, Eyes March for Launch Opportunity   - NASA NASA concluded a wet dress rehearsal for the agency’s Artemis II test flight early Tuesday morning, successfully loading cryogenic propellant into the SLS

Overnight, NASA called off February for any launch attempts of Artemis II and is now aiming for March at the earliest following yesterday's wet dress rehearsal. www.nasa.gov/blogs/missio...

03.02.2026 13:05 👍 20 🔁 9 💬 1 📌 2

SpaceX has confirmed it: it's acquiring xAI. New valuation and share price set. www.bloomberg.com/news/article...

02.02.2026 22:03 👍 3 🔁 2 💬 2 📌 0
Missions Archives - NASA

The leaks, they've started www.nasa.gov/blogs/missio...

02.02.2026 19:18 👍 15 🔁 2 💬 1 📌 0
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Artemis II Wet Dress Rehearsal: ‘Go’ for Tanking - NASA At approximately 11:25 a.m. EST, the Artemis launch director, in coordination with the mission management team chair, gave the “go” to begin loading cryogenic

NASA says it's "Go" for tanking of its SLS rocket for a wet dress rehearsal that could pave the way for the launch of Artemis II www.nasa.gov/blogs/missio...

02.02.2026 16:30 👍 131 🔁 20 💬 8 📌 2

It's been a wild few days on the space beat:

-- SpaceX considering mergers with Tesla or xAI
-- Blue Origin pausing its New Shepard flights
-- SpaceX filing for one million data center satellites
-- All while waiting to hear more about Artemis II

I'm sure there's more, but my brain is fried

31.01.2026 17:22 👍 34 🔁 3 💬 2 📌 1
NASA Updates Artemis II Wet Dress Rehearsal, Launch Opportunities - NASA NASA is targeting Monday, Feb. 2, as the tanking day for the upcoming Artemis II wet dress rehearsal at the agency’s Kennedy Space Center in Florida, as a

NASA has moved the wet dress rehearsal of its SLS rocket to Monday
www.nasa.gov/blogs/missio...

30.01.2026 13:17 👍 11 🔁 1 💬 0 📌 0
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NASA Moves Steps Closer to Artemis II Fueling Test Ahead of Launch - NASA Teams at NASA’s Kennedy Space Center in Florida continue to prepare the SLS (Space Launch System) rocket, Orion spacecraft, and ground infrastructure in

Kind of wild that one of NASA's biggest human spaceflight mission in years COULD be happening next week, but we're still waiting to know what's up. www.nasa.gov/blogs/missio...

27.01.2026 15:27 👍 132 🔁 28 💬 21 📌 3
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How AI Weather Models Are Making Better Forecasts Google, Microsoft and Nvidia are among the names vying to make forecasts more accurate for longer.

excited to have a story in Businessweek about the researchers who think AI weather forecasts can break through the limits of the Butterfly Effect: www.bloomberg.com/news/feature...

22.01.2026 15:06 👍 6 🔁 1 💬 0 📌 0

Blue Origin has announced its own megaconstellation called TeraWeave, consisting of 5,408 telecom satellites that are "urpose-built to serve enterprise-grade customers" www.blueorigin.com/news/blue-or...

21.01.2026 18:36 👍 25 🔁 8 💬 12 📌 5
 From left: Artemis II backup crewmembers NASA astronaut Andre Douglas and CSA (Canadian Space Agency) astronaut Jenni Gibbons and prime crewmembers NASA astronauts Victor Glover, Reid Wiseman, CSA (Canadian Space Agency) astronaut Jeremy Hansen, and NASA astronaut Christina Koch, pose for a picture with NASA’s Space Launch System (SLS) rocket and Orion spacecraft, secured to the mobile launcher, as it makes the 4.2 mile journey from the Vehicle Assembly Building to Launch Pad 39B, Saturday, Jan. 17, 2026, at NASA’s Kennedy Space Center in Florida. NASA’s Artemis II test flight will take Commander Reid Wiseman, Pilot Victor Glover, and Mission Specialist Christina Koch from NASA, and Mission Specialist Jeremy Hansen from the CSA (Canadian Space Agency), around the Moon and back to Earth  no later than April 2026. Photo Credit: (NASA/Joel Kowsky)

From left: Artemis II backup crewmembers NASA astronaut Andre Douglas and CSA (Canadian Space Agency) astronaut Jenni Gibbons and prime crewmembers NASA astronauts Victor Glover, Reid Wiseman, CSA (Canadian Space Agency) astronaut Jeremy Hansen, and NASA astronaut Christina Koch, pose for a picture with NASA’s Space Launch System (SLS) rocket and Orion spacecraft, secured to the mobile launcher, as it makes the 4.2 mile journey from the Vehicle Assembly Building to Launch Pad 39B, Saturday, Jan. 17, 2026, at NASA’s Kennedy Space Center in Florida. NASA’s Artemis II test flight will take Commander Reid Wiseman, Pilot Victor Glover, and Mission Specialist Christina Koch from NASA, and Mission Specialist Jeremy Hansen from the CSA (Canadian Space Agency), around the Moon and back to Earth no later than April 2026. Photo Credit: (NASA/Joel Kowsky)

Oh genuinely this photo of Artemis II is just so good.

19.01.2026 21:58 👍 219 🔁 39 💬 8 📌 0
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Congress Defies Trump on NASA Science Budget The space community is breathing a sigh of relief after lawmakers rejected Trump proposed cuts.

Congress has passed the minibus spending bill for NASA, which would reject most of the proposed budget cuts for the agency www.bloomberg.com/news/newslet...

16.01.2026 14:48 👍 27 🔁 3 💬 0 📌 1

A small silver lining: Yes, NASA and NOAA did not do briefings for their global temp data sets released today. And they certainly do not emphasize the human causes. But they *did* release them. The work is still happening.

data.giss.nasa.gov/gistemp/grap...

www.ncei.noaa.gov/access/monit...

14.01.2026 17:52 👍 40 🔁 8 💬 1 📌 0

It's "very unlikely" NASA will be able to recover the MAVEN Mars orbiter, NASA planetary science division director Louise Prockter says at the Small Bodies Assessment Group meeting this morning. Efforts to restore contact will resume Friday, after solar conjunction ends.

13.01.2026 14:54 👍 52 🔁 19 💬 1 📌 5
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Why AI Data Centers in Space Aren’t Totally Science Fiction Tech billionaires want to move AI’s massive energy demands off Earth. The engineering hurdles are enormous.

Did a dive into the engineering challenges posed by data centers in space. They could work! But there's a lot of technological development to be done www.bloomberg.com/news/article...

13.01.2026 14:43 👍 17 🔁 5 💬 2 📌 2

I've been feeling this schism a lot recently, mainly because those areas are the ones I cover the most. But X just feels like such a hostile place to be, geared toward anger and derision. Doesn't make those fields feel very inviting these days.

09.01.2026 21:25 👍 16 🔁 0 💬 3 📌 0