A Super Special Galaxy

Chemical Soups Around Cool Stars (Artist Concept)

Celestial Cities and the Roads That Connect Them

Galaxy Messier 51

Planetary Building Blocks Found in Surprising Place

A Nebula by Any Other Name

"No Organics" Zone Circles Pinwheel

Fire within the Antennae Galaxies

Cassiopeia A: Death Becomes Her

Exotic Exoplanet (Artist's Concept)

Hot, Carbon-Rich Planet (Artist Concept)

An Unexpected Scattering of Light

A Cauldron of Stars at the Galaxy's Center

Planetary Demolition Derby

Beastly Stars and a Bubble

Using 'Dark Holes' to Spot Planets

Adding up Stars in a Galaxy

WISE Catches the Lagoon Nebula in Center of Action

Beyond the Borders of a Galaxy

Spitzer Reveals Stellar 'Family Tree'

All That Remains of Exploded Star

Orion's Big Head Revealed in Infrared

Into the Depths of the Lagoon Nebula

Anatomy of a Triangulum

Cracking the Code of Faraway Worlds

Nearby Newborns

Sedna Orbit Animation

NASA's Kepler Mission Discovers Its First Rocky Planet (Artist Concept)

Planck's View of the Whole Sky

Pinwheel Galaxy Rainbow

Trojan Colors Revealed (Artist's Concept)

Thor's Helmet

Star Formation in the Heart of the Swan

Eccentric Habitable Zones (Artist's Concept)

The (Almost) Invisible Aftermath of a Massive Star's Death

Stars Gather in 'Downtown' Milky Way

Mini Soccer Balls in Space

Supergiant Star Near Giraffe's Hind Foot

Andromeda's Colorful Rings

Fun House Mirror in Space

Messier 101 Single Orbit Exposure

Stellar 'Incubators' Seen Cooking up Stars

Galaxy Centaurus A

First Look at Milky Way's Monster in High-Energy X-ray Light

WISE 'First-Light' Image

A Twisted Star-Forming Web in the Galaxy IC 342

Little Galaxy Explored

NASA's Galaxy Mission Celebrates Sixth Anniversary

Star Cluster Overshadowed by Infrared Objects

Spitzer Space Telescope's View of Galaxy Messier 101

A Shocking Outflow