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

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

Johns Hopkins researchers may have identified a compelling clue in the ongoing hunt to prove the existence of dark matter. A ...

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