'Honey I Shrunk the Planetary System' (Artist Concept)

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

Anatomy of a Triangulum

Hubble Deep Field Image Unveils Myriad Galaxies Back to the Beginning of Time

Whirlpool Galaxy

Astronomers Uncover One of the Youngest and Brightest Galaxies in the Early Universe

The Case of the Warped Galactic Ring

Silicates in Alien Asteroids

Betelgeuse's Enigmatic Environment

Dusty Beginnings of a Star

Fire and Ice Planet (Artist Concept)

Highlighting our Tiniest Neighbors

All Pillars Point to Eta

Trigger-Happy Cloud

UX Tau A (Artist Concept)

Planck's First Glimpse at the Universe

A Natal Microcosm

Spitzer Spies Spectacular Sombrero

WISE Catches a Runaway Star in Flames

Bright Lights, Green City

Analyzing Hot DOG Galaxies

Supernova Flashback

Galaxies of all Shapes Host Black Holes (Artist Concept)

Galaxy NGC5398

Milky Way Dust at Different Scales

Globular Cluster NGC 1851 in the Southern Constellation Columba

Stormy Clouds of Star Birth

Embryonic Stars Emerge from Interstellar "Eggs"

Comet Schwassmann-Wachmann I

Using 'Dark Holes' to Spot Planets

Triple Scoop from Galaxy Hunter

The 'Pacman Nebula'

Inner Milky Way Raging with Star Formation

Black Hole Swallows a Star

Fornax Galaxy Cluster

Our Neighbor Andromeda

The Sword of Orion

Echoes of a Stellar Ending

The Sombrero Galaxy's Split Personality

Blowin' in the Stellar Wind

Fade to Red

Young Stars in Their Baby Blanket of Dust

Baby Picture of our Solar System

Not-So-Bright Bulbs (Artist Concept)

Plentiful Planetary System (Artist Concept)

SIRTF "Aliveness Test" Image

Planck's View of the Whole Sky

Herschel's Three-Color View of Asteroid Apophis

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