Spitzer Reveals Stellar 'Family Tree'

NGC 5128 (Centaurus-A)

Short-Wavelength Infrared Views of Messier 81

Herschel's Cool Universe (Artist's Concept)

WISE Eyes the Whole Sky

Cosmic Epic Unfolds in Infrared

Dust in the Quasar Wind (Artist Concept)

New Views of a Familiar Beauty

A Shocking Surprise in Stephan's Quintet

Classic Galaxy with Glamour

Galactic Halos of Hydrogen

A New View of the Tarantula Nebula

Building a Buckyball Particle in Space (Artist Concept)

Through the Universe's Looking Glass

Water's Early Journey in a Solar System (Artist Concept)

Planetary Demolition Derby

Fun House Mirror in Space

NGC 7380

Steamy Solar System

Little Galaxies Pack a Big Punch

Distant Galaxy Bursts with Stars

Dark Energy and Gravity: Yin and Yang of the Universe (Artist's Concept)

NGC 1291

In the Blackest Night, a Green Ring Nebula

Chasing Chickens in the Lambda Centauri Nebula

Cosmic Alligator Eats its Way through the Sky

Prehistoric Black Hole (Artist's Concept)

Dusty Star Stands Out From the Rest

Mapping the Infrared Universe: The Entire WISE Sky -- Rectangular Format

NASA's Galaxy Mission Celebrates Sixth Anniversary

'Peony Nebula' Star Settles for Silver Medal

Spitzer Sees Water Loud and Clear

Spitzer Space Telescope's View of Galaxy Messier 101

How to Map a Very Faraway Planet (animation)

North America Nebula in Different Lights

Gas Giants Form Quickly (Artist Concept)

Blobs House Twin Stars

In the Grip of the Scorpion's Claw

Globular Cluster M22

Misty Star in the Sea Serpent

The Sword of Orion

NASA's Great Observatories Witness a Galactic Spectacle

Interacting Group of Galaxies Known as Stephan's Quintet

Spitzer Celebrates Fourth Anniversary with Celestial Fireworks

NGC 7293, the Helix Nebula

Fantastic Four Galaxies with Planet (Artist Concept)

Astronomers Uncover One of the Youngest and Brightest Galaxies in the Early Universe

Messier 101

Large Face on Spiral Galaxy NGC 3344

Dragonfish Coming At You in Infrared

Disk Around a Massive Baby Star (Artist's Concept)