Milky Way's fastest stars could be runaways from another galaxy
Hypervelocity stars might not come from black holes after all.
Stars can turn into black holes without a supernova
Our assumptions about star death might be misguided.
Remembering the first 'photo' of a black hole
Astronomers may have taken the first photo of a black hole
Wait, is that even possible?
Hubble telescope spots 'runaway' black hole
The black hole, shot out of a distant galaxy, is the first of its kind.
Supermassive black hole set a record for longest lunch ever
The feeding frenzy enriches our understanding of the universe.
Gamma ray telescope spots ancient, intense black holes
It also helped detect 'hidden' rays from the Sun.
Scientists discover a cosmic-scale particle accelerator
Entire galaxy clusters have been swept up in this phenomenon.
Deepest X-ray image to date uncovers a black hole bonanza
It's a window into the histories of both black holes and the universe.