
West Antarctica鈥檚 massive Pine Island Glacier is seen out the window of NASA鈥檚 DC-8 research aircraft as it flies at…

During the second spacewalk of the STS-131 mission, NASA astronauts Rick Mastracchio and Clayton Anderson (out of frame) unhooked and…

During the STS-131 mission鈥檚 first spacewalk, which lasted about 6.5 hours, NASA astronaut Rick Mastracchio helped move a new 1,700-pound…

The Expedition 23 crew photographed this view of the aft portion of space shuttle Discovery, including the three main engines,…

NOAA鈥檚 Laurel Watts and NASA Dryden鈥檚 Dennis Pitts installed NOAA鈥檚 Ozone instrument on NASA鈥檚 Global Hawk.

JPL鈥檚 Richard Denning installed the Microwave Temperature Profiler into NASA鈥檚 Global Hawk in preparation for the Global Pacific 2010 mission.

Global Hawk co-mission scientist David Fahey, NOAA, oversaw work by Jim Elkins on NOAA鈥檚 UAS Chromatograph for Atmospheric Trace Species…

M.J. Mahoney, JPL, and Robert Rivera, NASA Dryden, measured mounts to install scientific equipment on NASA Global Hawk.

The HD-Vis camera that was mounted on the belly of NASA鈥檚 Global Hawk Earth science aircraft took this photo of…