Astronomy Picture of the Day

Andromeda before Photoshop
A Stellar Jewel Box: Open Cluster NGC 290
Interplanetary Earth
Planet Earth at Blue Hour
Mid-Air Meteor and Milky Way
NGC 7714: Starburst after Galaxy Collision
Sprite Lightning in HD
Io Eclipse Shadow on Jupiter from Juno
Jupiter and the Moons
InSight on a Cloudy Day
The Hydrogen Clouds of M33
Molecular Clouds in the Carina Nebula