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

The fact is, however, that the mass of black holes varies greatly out in the vast universe, and astronomers have recently discovered what they believe may be the biggest one ever found. They estimate ...

NASA's Hubble Space Telescope and Chandra X-ray Observatory joined forces to find an elusive intermediate mass black holes in ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. This blue horseshoe is a distant galaxy magnified and distorted by the strong gravitational pull ...