Astronomy Picture of the Day

Shapley 1: An Annular Planetary Nebula

Perseid Below

A Sun Pillar Over Ontario

Herschel's Cocoon

Stereo Vesta

The Fairy of Eagle Nebula

TrES-2b: Dark Planet

Aurora Over Greenland

A Pileus Iridescent Cloud Over Ethiopia

Portrait of NGC 281

A Young Supernova in the Nearby Pinwheel Galaxy