Astronomy Picture of the Day

Milky Way Galaxy Doomed: Collision with Andromeda Pending

Eclipsed Moon Over Wyoming

Venus Transit 2012

When Venus Rises with the Sun

Venus at the Edge

Two New Hubble-Quality Telescopes Gifted to NASA

Thackeray's Globules

A Venus Transit Over the Baltic Sea

M13: The Great Globular Cluster in Hercules

M65 and M66

APOD Turns 17

Jupiter's Rings Revealed