
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?

APOD Science APOD APOD: 2016 December 22 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …

NASA Administrator Charles Bolden, left, and President of the Centre National d'Etudes Spatiales (CNES), Jean-Yves Le Gall, right, sign a…

A team prepares a robot – the yellow machine attached to the liquid hydrogen tank for the Space Launch System…