Galaxy Cluster and Giant Arc

Embryonic Stars Emerge from Interstellar "Eggs"

Stars Gather in 'Downtown' Milky Way

Double the Rubble (Artist Concept)

Spitzer Sees Water Loud and Clear

Spitzer Digs Up Galactic Fossil

Portrait of Distant Planets

NGC 300

Herschel Sees Through Ghostly Pillars

First Map of Alien World (animation)

Charting Ingredients for Life

What's Old is New in the Large Magellanic Cloud

Dissecting the Wake of a Supernova Explosion

A Cosmic Wreath

Severe Exoplanetary Storm

Supernova Remnant in 3-D

Pointing a Finger at Star Formation

A Picture of Unsettled Planetary Youth

Galaxy Centaurus A

Herschel's Three-Color View of Asteroid Apophis

Spitzer Space Telescope's View of Galaxy Messier 101

WISE Finds a Galactic Metropolis

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

Spitzer Celebrates Fourth Anniversary with Celestial Fireworks

Baby Picture of our Solar System

Anatomy of a Triangulum

Stellar Snowflake Cluster

Bizarre Planetary System

Little Galaxies Pack a Big Punch

A Tiny Planet (Artist's Concept)

WISE Reveals a Hidden Star Cluster

NGC 1291

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

A Real Shooting Star (Artist Concept)

Morning Star (Artist Concept)

Long-Wavelength Infrared Views of Messier 81

Saturn Family Tour

Cracking the Code of Faraway Worlds

Cepheids as Cosmology Tools

Multi-Wavelength Views of Protostars in IC 1396

Planetary Family Portrait

GALEX 1st Light Near Ultraviolet -50

NASA's Great Observatories Celebrate the International Year of Astronomy

Galactic Metropolis

Galactic Pile-Up (Artist Concept)

Possible Disintegrating Planet (Artist's Concept)

Galactic Haze seen by Planck and Galactic 'Bubbles' seen by Fermi

NGC 4569

Scenarios for the Evolution of Asteroid Belts

The 'Pacman Nebula'

Galactic Train Wrecks