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

Black holes are so strange that physicists have long wondered if they are quite what they seem. Now we are set to find out if ...

Using the James Webb Space Telescope, astronomers discovered an extreme version of "little red dots" dubbed "The Cliff." Its ...

A powerful new telescope has captured its first glimpse of the cosmos, and could transform our understanding of how stars, ...

Spacetime ripples from a black hole collision across the cosmos have confirmed weird aspects of black hole physics ...

Event Horizon Telescope data reveal the magnetic field around M87* shifted, weakened and then flipped, defying theoretical expectations.

The black hole at the centre of a galaxy more than 50 million light years away is spewing out a jet of extremely hot plasma – ...

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

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