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Image of the Day
Super View of Glendale and Phoenix

February 1, 2015

One of the Expedition 35 crew members on the International Space Station used a still camera with a 400 millimeter ...

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New Horizons
New Horizons

NASA's New Horizons spacecraft will send the first-ever close up images and scientific observations of distant Pluto and its system of large and small moons.

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Latest ScienceCast
The First Martian Marathon YouTube Video

On Earth, a fast runner takes a few hours to complete a marathon. On Mars, it's taken 11 years.

Watch our latest ScienceCast: The First Martian Marathon