This artist's concept shows an x-ray image of the Phoenix Lander in its pre-landing stowed configuration.
The Rub' al Khali is one of the largest sand deserts in the world, encompassing most of the southern third…
Engineers and technicians from NASA, the German Space Agency and the Deutsches SOFIA Institut recently reinstalled the German-built primary mirror…
SOFIA's primary mirror assembly is lifted above wing level prior to its reinstallation in the telescope cavity of NASA's 747…
This moon is doomed. Mars, named for the Roman god of war, has two tiny moons-Phobos and Deimos-whose names are…
Safely protected in its shipping crate, the telescope mirror assembly for NASA's Stratospheric Observatory for Infrared Astronomy, or SOFIA, is…
This striking image of a mound within the area of a trough cutting into Mars' north polar layered deposits was…
The STEREO (Ahead) spacecraft observed this visually stunning prominence eruption on Sept. 29, 2008, in the 304 angstrom wavelength of…
Forty years ago today, on Oct. 14, 1968, Apollo 7 transmitted the first live broadcast from a manned U.S. spacecraft.…
About 58 minutes before MESSENGER's closest approach to Mercury on Oct. 6, 2008, its Narrow Angle Camera captured this close-up…
