Expedition 50 crew members share a snack together aboard the International Space Station.
Expedition 50 crew members Peggy Whitson (left) and Shane Kimbrough of NASA (right) share fresh fruit.
xpedition 50 crew members Shane Kimbrough of NASA (left) and Thomas Pesquet of ESA (right) work inside the Cupola module.
NASA astronaut Peggy Whitson floats through a tangle of cables inside the Columbus module.
Santa Preps for Supersonic Christmas Eve Flight
The next generation of NASA's Space Launch System will be 364 feet tall in the crew configuration, will deliver a…
Dr. Patrick Shea inspects a nearly 4 3/4-foot (1.3 percent scale) model of the second generation of NASA's Space Launch…
This image from NASA's Cassini spacecraft is one of the highest-resolution views ever taken of Saturn's moon Pandora. Pandora (84…
Why would clouds on Saturn's moon Titan be visible in some images, but not in others?
NASA Administrator Charles Bolden, left, and President of the Centre National d'Etudes Spatiales (CNES), Jean-Yves Le Gall, right, sign a…
