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When is a 'double fireball' not a 'double fireball'? Wild meteor videos explained by a trick of the light
By Anthony Wood published
Footage appearing to show a number of "double fireball" events may have been caused by a simple quirk of equipment.

See a razor-thin crescent moon line up with Mars and Mercury at sunset on Oct. 23
By Anthony Wood published
The waxing moon will appear alongside Mars and Mercury as the sun sets on Oct. 23

'Sean Dummy': Why is Elon Musk attacking the acting NASA chief?
By Mike Wall published
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
By Tereza Pultarova published
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
By Stefanie Waldek published
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)
By Mike Wall last updated
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
By Josh Dinner published
"You'd be doing irreparable damage."

On this day in space! Oct. 22, 1992: Gene Roddenberry's ashes launch into space
By Hanneke Weitering last updated
On Oct. 22, 1992, the space shuttle Columbia launched into space with the ashes of Gene Roddenberry, the creator of "Star Trek."
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