An Unexpected Scattering of Light

How to Spot a Primitive Black Hole

Mira Soars Through the Sky

Standard Candle in the Wind

Messier 101 Single Orbit Exposure

Mini Planetary System (Artist Concept)

Hubble Sees Stars and a Stripe in Celestial Fireworks

It's Raining Comets (Artist's Concept)

How to Find a Tiny Wobble in a Zippy Star

Dusty Reflections in the Scorpion's Claws

GALEX 1st Light Far Ultraviolet

Unmasking a Hidden Glow

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

Tycho's Supernova Remnant

Planck's First Glimpse at the Universe

Chaotic Star Birth

The Evolution of a Planet-Forming Disk (Artist's Concept Animation)

Blacker than Black (Artist's Concept)

Starburst Galaxy NGC 3310

M33: A Close Neighbor Reveals its True Size and Splendor

Galaxy NGC 55

All-sky Image of Molecular Gas and Three Molecular Cloud Complexes seen by Planck

Amazing Andromeda Galaxy

The Case of the Warped Galactic Ring

Hot and Cold in the M100 Galaxy

Galaxy M82

Making a Spectacle of Star Formation in Orion

Asteroid Caught Marching Across Tadpole Nebula

Churning Out Stars

Stars Spring up Out of the Darkness (Artist Concept)

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

Spitzer Makes "Invisible" Visible

Extragalactic Space Balls (Artist Concept)

Diverse Group of Galaxy Types, NGC 3190 Field

Exotic Exoplanet (Artist's Concept)

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

Planetary Family Portrait

M33: A Close Neighbor Reveals its True Size and Splendor (3-color composite)

All Pillars Point to Eta

Spitzer's Sunflower Galaxy

The Swirling Arms of the M100 Galaxy

NGC 4569

Into the Depths of the Lagoon Nebula

Dark Murky Clouds in the Bright Milky Way

Ghostly Remnant of an Explosive Past

Mystery of the Fading Star

Dragonfish Coming At You in Infrared

Ice from the Solar System's Edge (Artist's Concept)

Andromeda's Colorful Rings

NASA Radar Images Asteroid 2007 PA8

Planets Under a Red Sun (Artist's Concept)