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'Sean Dummy': Why is Elon Musk attacking the acting NASA chief?
Elon Musk has hammered acting NASA chief Sean Duffy repeatedly on social media over the past few days, calling him "Sean Dummy" and claiming he's "trying to kill NASA." Here's what may be going on.
Can we dim the sun to fight climate change? Not without risking weather patterns, scientists suggest
Scattering microscopic particles of sulfur in the atmosphere might slow down climate change. It might also change weather patterns.
Giant star Betelgeuse has a 'Betelbuddy' — and it's very little indeed
Astronomers have sighted Betelgeuse’s mysterious companion — and it’s turning out to be full of surprises.
SpaceX launches record-breaking 133rd Falcon 9 mission of the year (video)
SpaceX launched its record-breaking 133rd Falcon 9 mission of 2025 today (Oct. 22), topping last year's tally with no signs of slowing down before the year ends.
The Smithsonian might have to cut space shuttle Discovery into pieces to get it to Texas
"You'd be doing irreparable damage."
Satellites watch glaciers melting in Patagonia | Space photo of the day for Oct. 22, 2025
New satellite imagery from the European Space Agency reveals nearly four decades of dramatic ice loss for two of Patagonia's largest glaciers.
Volcanic explosions on Mars may have left massive ice deposits at the Red Planet's equator
Ancient explosive volcanic eruptions on Mars could help explain mysterious hints of buried ice from the Red Planet's equator, a new study finds.
China's 1st reusable rocket test fires engines ahead of debut flight (video)
LandSpace conducted a static-fire test with its Zhuque-3 rocket recently, an important step in the prep work ahead of the partially reusable rocket's debut launch.
Comet 3I/ATLAS could soon shower NASA's Jupiter probe in charged particles. Will it reveal more about the interstellar invader?
At the end of October Europa Clipper will fly in line with 3I/ATLAS’ ion tail — but will any of the charged particles reach the spacecraft, and will the spacecraft be ready to receive them?
Neil deGrasse Tyson on his new book and the hidden dangers of defunding science: 'That will ultimately bite you in the ass' (exclusive)
We spoke with Neil deGrasse Tyson about his new Q&A book "Just Visiting This Planet: Further Scientific Adventures of Merlin From Omniscia" arriving on Oct. 21, 2025.
