
NASA’s MAVEN spacecraft has obtained its first observations of the Red Planet’s extended upper atmosphere.

NASA astronaut Scott Kelly (left), Expedition 43/44 flight engineer and Expedition 45/46 commander; and Russian cosmonaut Mikhail Kornienko, Expedition 43-46…

European Space Agency astronaut Alexander Gerst, Expedition 41 flight engineer, uses a still camera at a window in the Cupola…

On Sept. 19, 2014, the Landsat 8 satellite captured this false color image of the King fire in Eldorado National…

Telescopes and instruments for NASA’s Balloon Observation Platform for Planetary Science (BOPPS) are calibrated by taking a long look at…

A Neptune-size planet with a clear atmosphere is shown crossing in front of its star in this artist’s depiction. Such…

The image is a mosaic of “postage stamp” regions taken during the engineering test run this spring by NASA’s Kepler…

SPHERES Batteries going through early test in a vacuum