Speed-Demon Star Creates a Shock

Dwarf Star Erupts in Giant Flare

Echoes of a Stellar Ending

Stars Gather in 'Downtown' Milky Way

Stars Adorn Orion's Sword

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

Birth of an Earth-like Planet (Artist concept)

Spitzer Sees Stray Starlight (Artist's Concept)

Eccentric Habitable Zones (Artist's Concept)

Zeta Ophiuchi -- Runaway Star Plowing through Space Dust

Embryonic Stars Emerge from Interstellar "Eggs"

Galaxy NGC 3079

Lone Blazar

UX Tau A (Artist Concept)

North America Nebula in Different Lights

Bubbly Little Star

Why Are Galaxies So Smooth?

Coolest Orbs on the Block (Artist's Concept)

Blobs House Twin Stars

Omega Centauri Looks Radiant in Infrared

Tour of Planet with Extreme Temperature Swings

A Twisted Star-Forming Web in the Galaxy IC 342

Dusty Death of a Massive Star

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

Gorilla Black Hole in the Mist

Measuring Brightness of Super Earth 55 Cancri e

Undercover Jet Exposed

Probing Exoplanets From the Ground (Artist Concept)

Light from Red-Hot Planet

A Sky Chock-Full of Black Holes

WISE Eyes Evolution of Massive Stars

Artist's Concept: Active Black Hole Squashes Star Formation

Dissecting the Wake of a Supernova Explosion

Signature of a Carbon-Rich Planet

Herschel's Cool Universe (Artist's Concept)

Eyes in the Sky

Mira's Tail There All Along

Seeing Stars in Serpens

Life and Death in a Star-Forming Cloud

Spitzer Digs Up Galactic Fossil

Chemical Soups Around Cool Stars (Artist Concept)

Messier 101 Single Orbit Exposure

NASA's Galaxy Mission Celebrates Sixth Anniversary

A Glimpse of the Milky Way

NGC 5128 (Centaurus-A)

Saturn Family Tour

A Vast Disk of Comets

Wave of a Planet

Map of Matter in the Universe

Spitzer's First Warm Images