A mysterious black hole in a distant galaxy just woke up after decades of silence—and it’s putting on a cosmic light show!

Black holes have always been the divas of the cosmos. They are some of the most powerful and mysterious objects […] ...

Learn why a black hole is becoming active and why experts still can't explain the source of its regular, periodic pattern of ...

Astronomers are investigating the longest and most energetic bursts of X-rays seen from a newly awakened black hole. Watching this strange behavior unfold in real time offers a unique opportunity to ...

The black hole at the heart of galaxy SDSS1335+0728, located 300 million light-years away, was quiet for decades as it ...

Astronomers have used space-based telescopes, including NASA's Swift X-ray observatory, to watch a monster black hole spring ...

No one else would have had the chutzpah, or the clout, to so eviscerate a powerful, theocratic Black family and, in so doing, to chart the price that political parents invariably extract from ...

Using NASA’s powerful James Webb Space Telescope, scientists have taken the closest and clearest look yet at one of the most extreme places in our galaxy—a star-forming region called Sagittarius C.

Black hole jets may accelerate and brighten with distance, challenging old models, according to new EHT observations.

This black hole has a mass of around four million times that of our ... which likely trace the walls of cavities created by ...

This galaxy's central black hole appears to be a "messy eater" as its interstellar scraps are strewn into space.