During the second of three spacewalks STS-131 astronauts Rick Mastracchio (left) and Clayton Anderson continued maintenance activities outside the International…
West Antarctica's massive Pine Island Glacier is seen out the window of NASA's 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's 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's Laurel Watts and NASA Dryden's Dennis Pitts installed NOAA's Ozone instrument on NASA's Global Hawk.
JPL's Richard Denning installed the Microwave Temperature Profiler into NASA's 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's 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's Global Hawk Earth science aircraft took this photo of…
