Learn more about black holes and what causes them to ring. A massive new study adds evidence to theories by Einstein, Hawking ...

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

When galaxies collide, it's not a gentle affair, but it does take millions of years. Over this time, the two massive star ...

Reionization is thought to have been driven by ultraviolet light produced by both early stars and active galactic nuclei ...

In OJ 287, located some 3.5 billion light-years away, the intricate, extreme interplay between the two central supermassive ...

The data suggest that the black hole launched powerful outflows months after the star’s destruction, showing that black holes ...

For the first time, scientists observed a black hole tearing apart a star far from its galaxy’s center, producing the fastest ...

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

Scientists have captured the first image of two black holes orbiting each other in the quasar OJ287, confirming a long-held ...

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

First-ever image of two black holes captured orbiting each other, confirming a decades-old theory using a powerful radio ...

A black hole far from its galactic center has unleashed the fastest, brightest radio flares ever seen from a star’s ...