A new study may visually solve an enduring mystery about a bright object that's been studied since the 19th century ...

"This is truly extraordinary," Itai Sfaradi of the University of California, Berkeley, said in a statement. "Never before ...

Researchers have found a suspected clump of dark matter lurking within the luminous halo of a well-known "Einstein ring." The ...

Astronomers have observed a supermassive black hole far from the center of a galaxy where it ought to be giving off bright ...

Pulsars could be helping scientists distinguish between gravitational waves caused by supermassive black hole collisions and ...