A mysterious black hole has started behaving even more strangely, scientists have said. The supermassive black hole has been sending out flashes that have increased in speed. The black hole is known ...

MIT astronomers have been captivated by the strange behaviors of a supermassive black located 270 million light-years away, ...

In this artist’s rendering, a stream of matter trails a white dwarf orbiting within the innermost accretion disk surrounding ...

A strange black hole is making scientists scratch their heads.

MIT astronomers observed flashes of X-rays coming from a supermassive black hole at a steadily increasing clip. The source could be the core of a dead star that’s teetering at the black hole’s edge.