Rick Mastracchio, Expedition 38 flight engineer, prepares to replace a dewar tray in the Minus Eighty Laboratory Freezer for ISS…
MESSENGER image of comet C/2012 S1 (ISON) during its closest approach to Mercury.
President Kennedy speaks before a crowd of 35,000 people at Rice University in the football field on Sept. 12, 1962.
Images of Comet ISON were obtained by SOFIA’s FORCAST camera at wavelengths of 11.1, 19.7, and 31.5 microns.
Three nanosatellites, known as Cubesats, are deployed from a Small Satellite Orbital Deployer (SSOD) attached to the Kibo laboratory’s robotic…
U.S. Sen. John H. Glenn Jr., STS-95 payload specialist, focuses in on a target of opportunity as he participates in…
