
NASA astronaut Chris Cassidy, Expedition 36 flight engineer, is pictured near the windows in the Cupola of the International Space…

NASA astronaut Karen Nyberg, Expedition 36 flight engineer, conducts a session with a pair of bowling-ball-sized free-flying satellites known as…

The International Space Station's Cupola robotics workstation is featured in this image photographed by an Expedition 36 crew member during…

The International Space Station's Canadarm2 grapples the unpiloted Japanese "Kounotori" H2 Transfer Vehicle-4 (HTV-4) as it approaches the station.

NASA DC-8 project manager Frank Cutler discussed the next SEAC4RS mission with scientists and technicians prior to the aircraft's deployment…

Scientists installed components of the Spectrometer for Sky-Scanning, Sun-Tracking Atmospheric Research (4STAR) instrument into NASA's DC-8 flying laboratory for data…

NASA's DC-8 sat on the ramp at the Dryden Aircraft Operations Facility in Palmdale, CA, preparing for deployment to Ellington…

Glen Sachse (left, from the National Institute of Aerospace) and Glenn Diskin (NASA Langley) prepared the DACOM and DLH instrument…

NASA's James C. Smith III (left) and SPEC Inc. engineer Nick Krausse installed cloud particle probes on the wingtip pylons…

John Crounse, California Institute of Technology, checked out the CIT-CIMS single mass analyzer onboard NASA's DC-8 for the SEAC4RS mission…