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Science News

1. Finally! NASA Prepares to Orbit Mercury
2. Accelerating pace
3. Japan Quake May Have Shortened Earth Days, Moved Axis
4. Hubble Rules Out Dark Energy Alternative

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Image of the Day

March 15, 2011

Chasma Boreale, a long, flat-floored valley, cuts deep into Mars' north polar icecap. Its walls rise about 4,600 feet, or ...

Image of the Day Gallery »

Spotlight Mission

MESSENGER

MErcury Surface, Space ENvironment, GEochemistry and Ranging (MESSENGER) is a scientific investigation of the planet ...

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Dynamic Planet

For Magic Planet exhibitors: NASA's "Dynamic Planet" touchscreen exhibit and all related content are now available for download.

Download and Install »

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