A shockwave caused by the galaxy NGC 7318b slamming into four other galaxies is akin to a "sonic boom from a jet fighter." ...

Astronomers have stumbled upon a pair of massive black holes in a distant galaxy that are triggering unusual bursts of light.

The study finds that, in this scenario, the universe would eventually grind to a halt and decay into nothing, a process these scientists call the “long freeze.” All good things must come to an end, ...