Astronomy Picture of the Day

NGC 2683: Spiral Edge-On

Doomed Star Eta Carinae

Saturn's Moon Tethys from Cassini

Lake Effect Snow on Earth

Saturn's Moon Dione from Cassini

Mimas, Rings, and Shadows

I Zwicky 18: Young Galaxy

Reflecting Merope

Kemble's Cascade

Filaments Across the Sun

Debris Disks Surround Distant Suns

Jupiter and the Moon's Shadowed Horizon