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On this day in space! Dec. 15, 1612: Andromeda galaxy spotted by telescope for the 1st time
By Hanneke Weitering last updated
On Dec. 15, 1612, the Andromeda galaxy was seen through a telescope for the first time by a German astronomer named Simon Marius.
There's a weird, disappearing dark spot on Saturn's moon Enceladus
By Monisha Ravisetti published
Enceladus' ice plumes might be the reason why a dark spot on the moon is disappearing. But what is the spot in the first place?
SpaceX launches 22 Starlink internet satellites from California, lands rocket at sea (video)
By Mike Wall last updated
SpaceX launched 22 more of its Starlink internet satellites from California's central coast on Friday (Dec. 13).
NASA astronaut uses homemade star tracker to take incredible deep space photo from ISS
By Stefanie Waldek published
NASA astronaut Don Pettit's latest photography from the International Space Station showcases not only his visual prowess, but also his engineering skills.
SpaceX rolls 7th Starship spacecraft out for testing ahead of next launch (photos)
By Josh Dinner published
SpaceX has readied its next Starship vehicle for testing ahead of the megarocket's 7th test flight.
SpaceX scrubs launch of mysterious RRT-1 mission due to high winds
By Mike Wall published
SpaceX scrubbed the planned launch of the mysterious RRT-1 mission from Florida's Space Coast on Dec. 13 due to high winds.
Extraterrestrial life may look nothing like life on Earth − so astrobiologists are coming up with a framework to study how complex systems evolve
By Chris Impey published
We have only one example of biology forming in the universe – life on Earth. But what if life can form in other ways?
'Tragedy of the commons' in space: We need to act now to prevent an orbital debris crisis, scientists say
By Mike Wall published
Humanity needs to address the growing space junk problem now, before it gets completely out of hand, scientists stress.
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