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Image of the Day
Hinode Captures Images of Partial Solar Eclipse

October 24, 2014

A partial solar eclipse was visible from much of North America before sundown on Thursday, Oct.23. A partial eclipse occurs ...

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Balance Mass Challenge
Mars Balance Mass Challenge

The Mars Balance Mass Challenge seeks design ideas for small science and technology payloads that could potentially provide dual purpose as ejectable balance masses on spacecraft entering the Martian atmosphere.

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Latest ScienceCast
Sunset Solar Eclipse YouTube Video

On Oct. 23rd, the Moon will pass in front of the sun, off-center, producing a partial solar eclipse visible in most of the United States.

Watch our latest ScienceCast: Sunset Solar Eclipse