Astronomy Picture of the Day

Dusty NGC 1333

Moon Over Antarctica

A Stereo Sun

Light Echoes from V838 Mon

Vista Inside Gusev Crater on Mars

Simeis 147: Supernova Remnant from Palomar

Reflections on the Horsehead Nebula

SOHO's Uninterrupted View of the Sun

Crab Nebula Mosaic from HST

Astro 1 In Orbit

Proxima Centauri: The Closest Star

Fountains Discovered on Saturn's Enceladus