Signature of a Carbon-Rich Planet

A Collage of Nearby Galaxies

Galaxies Gather at Great Distances

WISE Catches Comet 65P/Gunn

Trigger-Happy Cloud

Stellar Jewels Shine in New Spitzer Image

Artist's Concept: Active Black Hole Squashes Star Formation

Scoping the Sisters

In the Blackest Night, a Green Ring Nebula

Dark Wombs of Stars

Planetary Building Blocks Found in Surprising Place

Galaxy NGC5962

Churning Out Stars

Sunflower Galaxy Glows with Infrared Light

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

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

Pinwheel Looks 'Fab' in Infrared

Speed-Demon Star Creates a Shock

Undercover Jet Exposed

Hubble Sees Stars and a Stripe in Celestial Fireworks

UX Tau A (Artist Concept)

Red Giant Plunging Through Space

A Spiral Galaxy is Visited by a Trojan War Hero

NASA's Galaxy Mission Celebrates Sixth Anniversary

Probing Exoplanets From the Ground (Artist Concept)

Globular Cluster Messier 2 in Aquarius

Alien Asteroid Belt Compared to our Own (Artist Concept)

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

Multi-Wavelength Views of Protostars in IC 1396

Hot and Cold in the M100 Galaxy

Spitzer Spies Spectacular Sombrero

Does 'Pacman' Have Teeth?

Milky Way Dust at Different Scales

Dissection of a Galaxy

Before the Smashup (Artist's Concept)

Laser-Sharp Jet Splits Water

The Invisible Dragon

A Star's Close Encounter

NGC 7380

What's Old is New in the Large Magellanic Cloud

Big Galaxy in Baby Universe

Dwarf Galaxies Swimming in Tidal Tails

Highway to the Danger Zone (Artist Concept)

A Twisted Star-Forming Web in the Galaxy IC 342

Fires of Galactic Youth (Artist Animation)

Comets Kick up Dust in Helix Nebula

First-of-Its-Kind Glimpse at a Super Earth

Herschel Sees Through Ghostly Pillars

Galaxy M82

Horsehead Nebula