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

Long before researchers knew about quasars or black holes, astronomers were photographing what is now known as Quasar OJ287.

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

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

Astronomers have witnessed something that no one believed possible: a black hole ripping apart a star not at the center of a ...

Scientists have shot two black holes orbiting each other, offering the first ever definitive proof that these intergalactic ...

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

When space telescopes blazed with high-energy radiation for hours earlier this year, astronomers suspected that they were ...

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

After decades of searching, astronomers have imaged two supermassive black holes in orbit around each other at the heart of ...

Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole ...

Astronomers detected in unprecedented detail a collision between two black holes. Their observations confirm predictions made ...