Scientists once thought this tiny galaxy was held together by dark matter. An unexpected monster black hole was found hiding inside one of the Milky Way's tiniest neighbors, rewriting what scientists ...

Astronomers have spotted a monster black hole in the early universe that's gorging on matter at more than twice the theoretical limit. The discovery deepens the mystery of how some black holes born ...

"This is like a cosmic lighthouse lit by a wandering black hole." New research suggests that not all feeding massive black holes sit stably at the heart of their home galaxies. A team of astronomers ...

We have found hot wind blasting out from our galaxy’s supermassive black hole for the first time, which could help us understand its mysterious inactivity. Compared to many other supermassive black ...