A rogue, middle-mass black hole has been spotted disrupting an orbiting star in the halo of a distant galaxy, and it's all ...

NASA's Hubble Space Telescope and NASA's Chandra X-ray Observatory have teamed up to identify a new possible example of a ...

Like most large galaxies, it has a supermassive black hole at its center. However, this galaxy is essentially 'dead': it has mostly stopped forming new stars.

Black holes are one of the most mysterious cosmic phenomena, despite how much we continue to learn about them. While considered a mathematical possibility for many years, the first black hole wasn ...