Ghost Head Nebula

Lining Kepler Habitable Zone Planets Up

Asteroid Caught Marching Across Tadpole Nebula

A Barred SpiralGalaxy, and the Small Elliptical Companion Galaxy NGC 1097A

Possible Disintegrating Planet (Artist's Concept)

The Many Infrared 'Personalities' of the Sculptor Galaxy

Ant Nebula

Cool Stars May Have Different Prebiotic Chemical Mix

Omega Centauri

Backwards Spiral Galaxy

Galaxy Evolution Explorer Spies Band of Stars

Ancient Supernova Revealed

'Peony Nebula' Star Settles for Silver Medal

Maffei 1 and 2

Irregular Dwarf Galaxy IC 1613

Interacting Group of Galaxies Known as Stephan's Quintet

In the Blackest Night, a Green Ring Nebula

Big Galaxy in Baby Universe

Look at my Arms!

Bursting with Stars and Black Holes (Artist Concept)

Artist's Concept: Active Black Hole Squashes Star Formation

Stars Brewing in Cygnus X

Where Planets Take up Residence

Galaxy Packs Big Star-Making Punch

Blazing Black Holes Spotted in Spiral Beauty

Comet Schwassmann-Wachmann I

Every Rose has a Thorn

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

A Flame in Orion's Belt

A Different View of the Flame Nebula

Celestial Sea of Stars

WISE Captures the Unicorn's Rose

NuSTAR's First View of High-Energy X-ray Universe

Probing Exoplanets From the Ground (Artist Concept)

Virgo Galaxy Cluster

Cracking the Code of Faraway Worlds

Flaring Black Hole (Artist's Concept)

Spitzer Sees Water Loud and Clear

Galaxies Burn Bright Like High-Wattage 'Light Bulbs'

Twin Brown Dwarfs Wrapped in a Blanket

Cassiopeia A: Death Becomes Her

Galactic Train Wrecks

Massive Young Star and its Cradle

Where Kepler Sees

Cosmic Alligator Eats its Way through the Sky

Taken Under the 'Wing' of the Small Magellanic Cloud

A Journey of Light Through Space and Time

A Spiral Galaxy is Visited by a Trojan War Hero

Climbing the Cosmic Distance Ladder (Artist's Concept)

Using 'Dark Holes' to Spot Planets

Unmasking a Hidden Glow