Astronomy Picture of the Day

Massive Nearby Spiral Galaxy NGC 2841

Southern Cross over Chilean Volcano

Central NGC 1316: After Galaxies Collide

The Vertical Magnetic Field of NGC 5775

Messier 66 Close Up

North American Nightscape

Southern Sky from 38,000 Feet

Asteroids in the Distance

Lunar Halo over Snowy Trees

A Colorful Quadrantid Meteor

Found on the Moon: Candidate for Oldest Known Earth Rock [video]

Apollo 14: A View from Antares