
On Dec. 17, 1903, the Wright Brothers made the first powered flight and, in March 1999, a full-scale replica of…

NASA's Mars Exploration Rover Opportunity used its navigation camera to record this view of Santa Maria Crater at the end…

This image shows the path of the Moon through Earth's umbral and penumbral shadows during the Total Lunar Eclipse of…

The Soyuz TMA-20 rocket launches from the Baikonur Cosmodrome in Kazakhstan on Wednesday, Dec. 15, 2010 (Dec. 16 in Kazakhstan),…

The Stratospheric Observatory for Infrared Astronomy, or SOFIA, 747SP sat on the tarmac during nighttime telescope operations at NASA's Dryden…

The Soyuz TMA-20 spacecraft is seen shortly after arrival to the launch pad Monday, Dec. 13, 2010, at the Baikonur…

The Soyuz TMA-20 spacecraft is rolled out by train on its way to the launch pad at the Baikonur Cosmodrome,…

The small open star cluster Pismis 24 lies in the core of the NGC 6357 nebula in Scorpius, about 8,000…

SpaceX's Falcon 9 rocket and Dragon spacecraft lift off from Launch Complex-40 at Cape Canaveral Air Force Station, Fla., at…

JSC2010-E-165934 (21 Sept. 2010) -- The NASA Orion Crew Module Parachute Assembly System team completed a parachute airdrop test at…