Kepler-20e -- The Smallest Exoplanet (Artist's Concept)

Planetary Demolition Derby

Galactic Bubble

M33: A Close Neighbor Reveals its True Size and Splendor (3-color composite)

Bent Galactic Jets

Little Galaxies Pack a Big Punch

NASA's Galaxy Mission Celebrates Sixth Anniversary

Spitzer Digs Up Galactic Fossil

Hubble Spies Spectacular Sombrero

Soul Nebula

A Stellar Ripple

Hubble Sees Stars and a Stripe in Celestial Fireworks

In the Blackest Night, a Green Ring Nebula

Doradus Nebula

How to Find a Tiny Wobble in a Zippy Star

Inner Milky Way Raging with Star Formation

Stellar Storm of Infrared Light

Cygnus-X: The Cool Swan Glowing in Flight

A Picture of Unsettled Planetary Youth

Coronet: A Star-Formation Neighbor

A New View of the Tarantula Nebula

Star Formation in Henize 206

A Glimpse of the Milky Way

A Cosmic Wreath

Devastated Stellar Neighborhood

Comets WISE -- A Family Portrait

Circle of Planetary Ashes (Artist's Concept)

Stellar Debris in the Large Magellanic Cloud

Amazing Andromeda Galaxy

Infrared Rose

Analyzing Hot DOG Galaxies

Band of Rubble (Artist Concept)

A Star's Close Encounter

'Peony Nebula' Star Settles for Silver Medal

Galactic Pile-Up (Artist Concept)

"No Organics" Zone Circles Pinwheel

Artist's Impression of Pulsating Object LRLL 54361

Dance of the Light Echoes

Horsehead Nebula

Thackeray's Globules

Cosmic Fountain of Crystal Rain

Journey to a Star Rich with Planets (Artist Concept)

Groth Deep Locations Image

Groth Deep Image

A Lesson in Counting Stars

Look at my Arms!

Dead Star Warps Light of Red Star (Artist's Animation)

Thor's Helmet

The Light and Dark Sides of a Distant Planet

Astronomers Spot Most Distant Known Galaxy

Globular Cluster NGC 1851 in the Southern Constellation Columba