
NASA astronaut Reid Wiseman and European Space Agency astronaut Alexander Gerst (partially obscured), both Expedition 40/41 flight engineers, attired in…

Official portrait of astronaut John H. Glenn Jr., the first American to orbit Earth in a Project Mercury spacecraft.

Expedition 39 Commander Koichi Wakata of the Japan Aerospace Exploration Agency (JAXA) sits motionless while Flight Engineer Mikhail Tyurin of…

All six Expedition 39 crew members gather in the Kibo laboratory aboard the International Space Station for an in-flight crew…

All six Expedition 39 crew members gather in the Kibo laboratory aboard the International Space Station for an in-flight crew…

The phrase "encircling the Earth" has a double entendre flavor to it in this picture showing all six Expedition 39…

A Russian Soyuz spacecraft is seen docked to the International Space Station, as photographed by one of the Expedition 39…

One of the Expedition 39 crew members aboard the International Space Station photographed a half moon above Earth's horizon on…

NASA astronaut Steve Swanson, Expedition 39 flight engineer, works in the U.S. laboratory Destiny of the International Space Station, preparing…

In the Harmony node of the Earth-orbiting International Space Station, NASA astronaut Rick Mastracchio, Expedition 39 flight engineer, prepares culture…