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Featured Images

October 29, 2011
Galileo view of Gaspra, the first asteroid visited by a spacecraft

First Encounter

October 27, 2011
An artist's concept of the darkest planet yet discovered

Dark World

October 25, 2011
Cassini view of Saturn's moon Enceladus in front of the planet's rings

Saturnian Encounter

October 19, 2011
Two globular clusters; a previously known one at right, and a new one in circle

Star City

October 17, 2011
An aquanaut practices space exploration techniques underwater

Diving into the Future

October 13, 2011
The giant volcano Pele erupts on Jupiter's moon Io

Fire Mountain

October 10, 2011
Craters fill an ancient river channel on Mars

Martian Rapids

October 5, 2011
Radio image of the Antenna galaxies

Boundless Starbirth

October 1, 2011
Artist's concept of a starship

To Boldly Go...

September 27, 2011
Stars and gas swirl around the black hole at the center of the Milky Way

Swirling Center

September 22, 2011
IC 2944, a stellar nursery in the constellation Centaurus

Seeing Red

September 16, 2011
Artist's concept of global ocean on Jupiter's moon Europa

Water World

September 13, 2011
A thick torus of dust encircles a quasar

Water Works

September 9, 2011
2011 image of the Apollo 12 landing site, from Lunar Reconnaissance Orbiter

Still Standing

September 6, 2011
Map of the Moon's gravitational field

Lunar Lumpiness

September 2, 2011
Messenger view of Mercury's southern hemisphere

Hard-to-Study Planet

August 31, 2011
Composite view of a giant storm on Saturn from the Cassini spacecraft

Stormy Skies

August 28, 2011
The star cluster M7

Aging Family

August 25, 2011
NGC 4438 and NGC 4435, galaxies in Virgo

Beautiful Eyes

August 22, 2011
Voyager 2 view of the Adams Ring at Neptune

Pulverized Moon

August 18, 2011
Yerkes Observatory in Wisconsin is home to the world's largest refractor

Still Going

August 15, 2011
The Necklace Nebula, the remains of a dying star in Sagittarius

Ring of Fire

August 11, 2011
Panoramic view of Endeavour crater on Mars, imaged by the Opportunity rover

Final Destination

August 8, 2011
Possible rivulets of water flowing on Mars

Drippy Planet

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