astronomy

The universe’s greatest sinkholes have no trouble swallowing anything—except themselves.

The Dragonfly telescope is pushing the boundaries of small-scale observational astronomy.

The romance is back, argues a NASA adviser and best-selling science-fiction author.

We’ve been looking for life on Earth-like planets. Will Europa teach us better?

How counting sunspots unites the past and future of science.

Why we’ll first find aliens on eyeball planets.

It’s true that we haven’t seen alien life, but neither have we seen much of the universe.

See how the night sky would appear from a different part of the galaxy.

A new model—“The Big Splat”—explains the strange asymmetry of the moon.