The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

“There’s a lot of meanings for ‘small,’” says Janet Conrad, a particle physicist at the Massachusetts Institute of Technology ...

The team behind Europe's Euclid space telescope just published the world's most extensive simulation of the universe, which ...

If you thought the cosmic web was tangled enough, think again. A team of astrophysicists recently used gamma-ray bursts—those spectacular, enigmatic explosions of energy from the farthest reaches of ...

Dark matter plays a crucial role in galaxy formation by acting as a gravitational “glue” that helps pull gas together to form ...