Scientists have shot two black holes orbiting each other, offering the first ever definitive proof that these intergalactic ...

You could swim through the deepest voids and encounter a single hydrogen atom in an entire football field's worth of space. At the very largest scales, galaxies are not scattered around randomly.

Astronomers have detected the signal of a colossal black hole in deep space that likely formed when two already-large black holes crashed into each other billions of light-years away. The result is a ...

Sometimes, a piece of wood reveals more than just grain — it reveals a universe. This woodturning project, called Meteorite, ...