
Expedition 39/40 Flight Engineer Steve Swanson of NASA takes a spin in a rotating chair.

Expedition 39/40 Flight Engineer Steve Swanson of NASA gets in a workout March 19 as he prepares for launch to…

Expedition 39/40 Flight Engineer Steve Swanson of NASA gets in a workout March 19 as he prepares for launch to…

Expedition 39/40 Flight Engineer Steve Swanson of NASA (right) and Flight Engineer Oleg Artemyev (left) of the Russian Federal Space…

Mountains in Alaska’s Brooks Range seen during the IceBridge survey flight from Thule, Greenland to Fairbanks, Alaska.

Jupiter is the largest planet in the solar system and perhaps the most majestic. Vibrant bands of clouds carried by…
APOD Science APOD APOD: 2014 March 19 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …

Scientists, using cameras aboard NASA's Lunar Reconnaissance Orbiter (LRO), have created the largest high resolution mosaic of our moon’s north…

APOD Science APOD APOD: 2014 March 18 – Cosmic… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…

Expedition 39/40 Flight Engineer Steve Swanson of NASA (right) and backup Barry Wilmore of NASA (center) raise the American flag…