
Instrumentation engineer Otto Schnarr at left and principal investigator Jim Murray assist operations engineer and model lab technician Robert “Red”…

With its towline barely visible against the blue sky, the DROID-3 tow plane hauls a sub-scale sailplane through the air…

On May 5, 1961, astronaut Alan B. Shepard, Jr. had a view of Earth that no American had seen before,…

On Jan. 30, 2014, beginning at 8:31 a.m EST, the moon moved between NASA’s Solar Dynamics Observatory, or SDO, and…

A rainbow of lunar transits as seen by NASA’s Solar Dynamics Observatory on January 30, 2014.

As part of NASA’s ongoing effort to deliver supplies to the International Space Station (ISS) using commercially-developed space systems, a…

NASA’s X-34 program was initiated in 1996 to provide a low-cost advanced technology flight demonstration test bed vehicle for space…

Russian cosmonaut Oleg Kotov, Expedition 38 commander, attired in a Russian Orlan spacesuit, participates in a session of extravehicular activity…

Russian cosmonaut Sergey Ryazanskiy, Expedition 38 flight engineer, attired in a Russian Orlan spacesuit, is pictured in this close-up view…

Russian cosmonauts Sergey Ryazanskiy, Expedition 38 flight engineer; and Oleg Kotov (out of frame), commander, attired in Russian Orlan spacesuits,…