Unprocessed image from Cassini's Enceladus flyby

Cassini Sends Back Images of Enceladus as Winter Nears

NASA's Cassini spacecraft has sailed seamlessly through the Nov. 21 flyby of Saturn's moon Enceladus and started transmitting uncalibrated temperature data and images of the rippling terrain.
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Artist's concept of Kepler in the distant solar system

Popular Science and Popular Mechanics Magazines Honor Kepler

NASA's planet-hunting Kepler space telescope has earned the 2009 Best of What's New Grand Award from Popular Science and a 2009 Breakthrough Award from Popular Mechanics.
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Artist's concept of Cassini's Nov. 21, 2009, Enceladus flyby

Before Darkness Falls: Cassini to Scan Enceladus on Winter's Cusp

NASA's Cassini spacecraft will fly by Saturn's moon Enceladus this weekend for a last peek at the intriguing "tiger stripes" before winter darkness blankets the area for several years.
Read more (Nov. 19)
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Celes

Celestial Treasure Hunt

NASA's Wide-field Infrared Survey Explorer will provide a map to the universe's hidden treasures.
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Animation still showing Wise rotating in space

Views of Wise in Space

This artist's animation shows NASA's Wide-field Infrared Survey Explorer, or WISE, rotating in space, revealing all sides of the spacecraft.

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PlanetQuest

PlanetQuest

PlanetQuest

Spitzer

Spitzer

Global Climate Change

Global Climate Change

Global Climate Change

Cassini Mission to Saturn

Cassini