Astronomers have made a groundbreaking discovery: a binary star orbiting perilously close to the supermassive black hole at the center of our galaxy, Sagittarius A*. This stellar pair defies ...

The first-ever photographed black hole emits an extraordinary gamma-ray flare, billions of times more energetic than visible ...

And we got a first look. Autoencoders are letting us peer into the black box of artificial intelligence. They could help us ...

What knocked this black hole over onto its side? It's a cosmic "whodunnit" that NASA scientists using the Hubble and Chandra ...

Want the best Santa Tracker and to play some fun games through Norad or Google? We're live-blogging Santa's movements as he ...