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 ...

Astronomers have achieved the first radio image of a supermassive black hole pair, using the retired Russian RadioAstron ...

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

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

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

How astronomers used gravitational lensing, a space-time trick predicted by Einstein, to detect a black hole measuring 30 ...

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

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

"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 ...

For the first time, astronomers have managed to capture a radio image showing two black holes orbiting each other. The ...