Astronomy Picture of the Day

NGC 3324 in Carina

M106: A Spiral Galaxy with a Strange Center

Horsehead and Orion Nebulas

Abell 370: Galaxy Cluster Gravitational Lens

Equinox on Planet Earth [video]

Star Trails and the Equinox Sunrise

A Symphony in Northern Winter Skies

Four Towers and the Equinox Moon

Zooming in on Star Cluster Terzan 5 [video]

Arp 194: Merging Galaxy Group

AE Aurigae and the Flaming Star Nebula

NGC 1333: Stellar Nursery in Perseus