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Image of the Day
Looking Back: The Mercury 7

April 9, 2014

On April 9, 1959, NASA introduced its first astronaut class, the Mercury 7. Front row, left to right: Walter M. ...

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Interactive Satellite Tracker
Interactive Satellite Tracker

Interactive Satellite Tracker (iSat) is a browser based application that allows you to track all NASA Science Satellite Missions, as well as other satellites. Enjoy this free tool at home or in the classroom!

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Latest ScienceCast
Unexpected Teleconnections in Noctilucent Clouds YouTube Video

NASA's AIM spacecraft is discovering unexpected "teleconnections" in Earth's atmosphere that link weather and climate across vast distances.

Watch our latest ScienceCast: Unexpected Teleconnections in Noctilucent Clouds