
NASA’s UAVSAR airborne radar will create 3-D maps of earthquake faults over wide swaths of Haiti (red shaded area) and…

Expedition 22 flight engineer Oleg Kotov used a digital still camera to take this self-portrait during a January 2010 spacewalk.…

Two spectacular tails of X-ray emission have been seen trailing behind a galaxy using the Chandra X-ray Observatory. A composite…

Dunes of sand-sized materials have been trapped on the floors of many Martian craters. This is one example, from a…