New observations of a pair of colliding spiral galaxies hint at what might be in store for the Milky Way and the Andromeda galaxy if and when they collide. The findings, described in July in the ...

An artists impression of a black hole flinging a hypervelocity star out of the Large Magellanic Cloud. (CfA/Melissa Weiss) A new study of super-fast-moving stars suggests that they were accelerated by ...

Complex, intelligent life in the galaxy appears vanishingly rare, with the nearest possible civilization perhaps 33,000 light ...

You still may be able to spot the Milky Way's galactic center in the night sky across the US, but time is running out.

A new study of super-fast-moving stars suggests that they were accelerated by a monster black hole that's been lurking unseen in the galaxy next door. This appears to be the closest supermassive black ...

The Large Magellanic Cloud, a close neighbor to the Milky Way, may house a giant black hole. It's the closest supermassive black hole outside of... That galaxy next door? It's home to a monster black ...