Herschel Spots Comet Massacre Around Nearby Star

A Sky Chock-Full of Black Holes

Kepler-62f, a Small Habitable Zone World (Artist Concept)

Celestial Cities and the Roads That Connect Them

A WISE 'Eye' on the Whole Sky

Rotten Egg Nebula

Andromeda Galaxy

Cosmic Ornament of Gas and Dust

Great Observatories' Unique Views of the Milky Way

Irregular Dwarf Galaxy IC 1613

Dwarfs in Coma Cluster

Sowing the Seeds of Planets? (Artist's Concept)

Supernova Flashback

N44C nebula

Eagle Nebula Flaunts its Infrared Feathers

Quasar Drenched in Water Vapor

All Eyes on Oldest Recorded Supernova

A Distant Solar System (Artist's Concept)

Portrait of Our Dusty Past (Artist Concept)

Before the Smashup (Artist's Concept)

The Galaxy Menagerie from WISE

Cosmic Fountain of Crystal Rain

NASA Radar Images Asteroid 2007 PA8

Blacker than Black (Artist's Concept)

Birth of an Earth-like Planet (Artist concept)

Echoes of a Stellar Ending

Dissecting the Wake of a Supernova Explosion

Scenarios for the Evolution of Asteroid Belts

A Nearby Stellar Cradle

Flaring Black Hole (Artist's Concept)

How to Spot a Primitive Black Hole

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

A Year in the Life of an Infrared Echo

Sedna Orbit Animation

Hot, Carbon-Rich Planet (Artist Concept)

Life at the Intersection of Colliding Galaxies

Unmasking a Hidden Glow

Weird Warm Spot on Exoplanet

Supernova Remnant in 3-D

WISE Eyes Evolution of Massive Stars

Spitzer's First Warm Images

Trojan Colors Revealed (Artist's Concept)

NASA's Kepler Mission Discovers Its First Rocky Planet (Artist Concept)

Portrait of Distant Planets

Blobs House Twin Stars

Analyzing the Pieces of a Warped Galaxy

Young Stars in Their Baby Blanket of Dust

Mysterious Blob Galaxies Revealed

Mapping Invisible Pools of Gas in Our Galaxy (Illustration)

Eccentric Habitable Zones (Artist's Concept)

Hidden Patterns of Light Revealed by Spitzer