
A total lunar eclipse is seen as the full moon is shadowed by the Earth on the arrival of the…

Based on data from NASA's Cassini spacecraft, this image shows an area of Saturn's moon Titan, known as Sotra Facula.…

Based on data from NASA's Cassini spacecraft, this image shows an area of Saturn's moon Titan, known as Sotra Facula.…

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,…