Older Galaxy Pair Has Surprisingly Youthful Glow

Dwarf Galaxies Swimming in Tidal Tails

Portrait of Our Dusty Past (Artist Concept)

Whirlpool Galaxy

Scenarios for the Evolution of Asteroid Belts

Building a Buckyball Particle in Space (Artist Concept)

Surprise Ultraviolet Party in the Sky

Interacting Group of Galaxies Known as Stephan's Quintet

Heart and Soul

Orion's Dreamy Stars

Galaxy NGC 1512

Map of Matter in the Universe

Three Great Eyes on Kepler's Supernova Remnant

Dark Murky Clouds in the Bright Milky Way

Betelgeuse's Enigmatic Environment

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

Orion's Rainbow of Infrared Light

A Super Special Galaxy

Super Earth Reveals Itself to Spitzer

First Look at Milky Way's Monster in High-Energy X-ray Light

Lining Kepler Habitable Zone Planets Up

Kepler-11 Planetary System (Artist Concept)

IC 1795

Celestial Sea of Stars

Out of the Dust, A Planet is Born (Artist Concept)

Ghostly Ring

Star-Studded Strings around Cocoon Nebula

Blacker than Black (Artist's Concept)

Inner Milky Way Raging with Star Formation

Galaxy M101

Pink Pleiades

The Rocky World of Young Planetary Systems (Artist Concept)

Galaxy Packs Big Star-Making Punch

Wave of a Planet

The Action-Packed Centaurus A

NASA's Spitzer Finds Water Vapor on Hot, Alien Planet (Artist's Concept)

The Sombrero Galaxy's Split Personality

Circumstellar Disk Around Fomalhaut

Dwarf Galaxy Spotted

Ghostly Remnant of an Explosive Past

Buckyballs Jiggle Like Jello (Artist Concept)

Star Cluster Overshadowed by Infrared Objects

Alien Sunset (Artist Concept)

Collecting Brown Dwarfs in the Night Sky

Our Milky Way Gets a Makeover

Kepler-62e (Artist Concept)

Mega Galaxy Merger

Mapping the Infrared Universe: The Entire WISE Sky

Churning Out Stars

Edge-on Galaxy

Possible Disintegrating Planet (Artist's Concept)