Astronomy Picture of the Day

Magellanic Galaxy NGC 55

The Eagle Rises

Eagle Aurora over Norway

The Space Station Crosses a Spotless Sun

Apollo 11 Launches Humans to the Moon [video]

Apollo 11: Descent to the Moon [video]

Shadowed Moon and Mountain

Tranquility Base Panorama

Apollo 11 Landing Panorama

Moonquakes Surprisingly Common

HDR: Earth's Circular Shadow on the Moon

M82: Galaxy with a Supergalactic Wind