
At the Baikonur Cosmodrome in Kazakhstan, Expedition 34 Flight Engineer Tom Marshburn of NASA conducts a “fit check” dress rehearsal…

This artist’s rendition represents NASA’s twin Van Allen Probes in orbit within Earth’s magnetic field to explore the radiation belts.

NASA Dryden’s F/A-18 #853, piloted by Nils Larson, flew a Research Flight Control System (RFCS) checkout flight for NASA’s Integrated…

NASA Dryden’s F/A-18 #853, piloted by Nils Larson, flew a Research Flight Control System (RFCS) checkout flight for NASA’s Integrated…

The Helios-A solar probe launched on Dec. 10, 1974 from Cape Canaveral Air Force Station, Fla. As it looped around…

On Saturday, December 8, 2012, the SuperTIGER payload was launched in Antarctica.

The huge, 363-feet tall Apollo 17 (Spacecraft 114/Lunar Module 12/Saturn 512) space vehicle is launched from Pad A., Launch Complex…

This image shows the variations in the lunar gravity field as measured by NASA’s Gravity Recovery and Interior Laboratory (GRAIL)…

This combined image from Nov. 8-9, 2012, shows the sun’s innermost atmosphere as seen by the Solar Dynamics Observatory (SDO)…

This new global view of Earth’s city lights is a composite assembled from data acquired by the Suomi National Polar-orbiting…