NASA's Galaxy Mission Celebrates Sixth Anniversary

The Swirling Arms of the M100 Galaxy

Stellar Work of Art

Galactic Dust Bunnies Found to Contain Carbon After All

Orion's Rainbow of Infrared Light

Star Clusters Young and Old, Near and Far

Wave of a Planet

Ghostly Remnant of an Explosive Past

Evidence for Strange Stellar Family (Artist Concept)

Possible Disintegrating Planet (Artist's Concept)

A New View of the Tarantula Nebula

Riding a Trail of Debris

Mega Galaxy Merger

A Star's Close Encounter

Spitzer Celebrates Fourth Anniversary with Celestial Fireworks

WISE Reveals a Hidden Star Cluster

Deep Imaging Survey

Our Neighbor Andromeda

Cosmic Alligator Eats its Way through the Sky

Now You See a Tail, Now You Don't

Spitzer's Sunflower Galaxy

Undercover Jet Exposed

Saturn's Infrared Ring

Luminous Blue Variable: Destined To Be a Supernova?

The Making of a Galactic Parallelogram

How to Map a Very Faraway Planet (animation)

Andromeda's Colorful Rings

GALEX 1st Light Near and Far Ultraviolet -100

Irregular Dwarf Galaxy IC 1613

Nursery of Giants

Infrared Spotlight on Orion's Sword

Edge-on View of Near-Earth Asteroids

Ring Beholds a Delicate Flower

Space Balls (Artist's Concept)

Super-Comet or Big Asteroid Belt?

Lighting up a Dead Star's Layers

Galaxies Burn Bright Like High-Wattage 'Light Bulbs'

A Glimmer in the Eye of WISE

Dwarfs in Coma Cluster

Measuring Brightness of Super Earth 55 Cancri e

NGC 5128 (Centaurus-A)

Dust in the Quasar Wind (Artist Concept)

Wanted: Galactic Thief Who Steals Gas

A Classic Beauty

Dark Reflections in the Southern Cross

Hustle and Bustle at Center of Milky Way

Dark Star-Making Factory

NGC 1291

The 'Pacman Nebula'

Oxygen No Longer Lost in Space