Dark matter affects how stars move within galaxies, how galaxies build up over time, and how everything in the universe is held together—but no existing tool has directly detected it. While dark ...

Collagen from a fossilized bone fragment can identify the animal it came from. And, some new info about our galaxy’s eventual extinction.

The Milky Way and the neighboring Andromeda galaxy are currently hurtling through space toward each other at a speed of about ...

There is only a 50 percent chance of this happening even in the next 10 billion years, according to study by UK and ...