Astronomy Picture of the Day

Cat's Eye

WMAP Resolves the Universe

Streams of Stars in the Virgo Cluster of Galaxies

The Star Pillars of Sharpless 171

A Rocket Launch at Sunset

An Unexplored Nebula

IC 1396 Close-Up

NGC 613: Spiral of Dust and Stars

Magma Bubbles from Mt. Etna

Saturn's Hyperion: A Moon with Odd Craters

The Milky Way in Stars and Dust

Annular Solar Eclipse at High Resolution