Spitzer Reveals Stellar 'Family Tree'

Pink Pleiades

The Sombrero Galaxy's Split Personality

Unmasking a Hidden Glow

Dusty Star Stands Out From the Rest

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

WISE Spies a Galactic Neighbor

Galactic Wheels within Wheels

The Story of Our Universe

Blobs House Twin Stars

Doradus Nebula

Before the Smashup (Artist's Concept)

Birth of an Unusual Planetary System (Artist Concept)

Massive Smash-up at Vega (Artist Concept)

Pointing a Finger at Star Formation

How to Pluck a Spectrum from a Planet

Galactic Hearts of Glass (Artist Concept)

Invisible Galaxies Come to Life! (Artist Concept)

Charting Ingredients for Life

Dissecting a Light Echo

Spitzer Digs Up Galactic Fossil

Jabbah and Associates

In the Grip of the Scorpion's Claw

Worlds on the Edge (Artist's Concept)

Analyzing the Pieces of a Warped Galaxy

Cosmic Ornament of Gas and Dust

Kepler's Diamond Mine of Stars

Homing in on 'Hot Dogs'

Asteroid 'Bites the Dust' Around Dead Star (Artist Concept)

Globular Cluster Messier 2 in Aquarius

Dusty Death of a Massive Star

Galaxy M101

Omega Centauri

Classic Galaxy with Glamour

Herschel's Three-Color View of Asteroid Apophis

Cracking the Code of Faraway Worlds

Water Around a Carbon Star

In the Blackest Night, a Green Ring Nebula

Mystery of the Fading Star

A Planet as Big as its Star

Spitzer Spies Spectacular Sombrero

Mysterious Object He2-90

The Colorful Demise of a Sun-like Star

Morphology of Our Galaxy's 'Twin'

A Super Special Galaxy

Ghostly Remnant of an Explosive Past

Black Hole Swallows a Star

Rocky Ring of Debris Around Vega (Artist Concept)

Finding Forsterite Around a Developing Star

Laser-Sharp Jet Splits Water

Tour of Planet with Extreme Temperature Swings