A tiny, dense stellar corpse in a nearby galaxy is pumping out so much energy that, on paper, it should have blown itself ...

The "Cosmic Grapes" galaxy formed just 900 million years after the Big Bang, revealing a never-before-seen structure.

It is theoretically possible for a particularly massive star to collapse in on itself to form a black hole rather than ...

"It's like watching a cosmic volcano erupt again after ages of calm — except this one is big enough to carve out structures ...

Physicists have unveiled a new way to simulate a mysterious form of dark matter that can collide with itself but not with ...