
Expedition 35/36 and Expedition 36/37 crew members pose for a group portrait in the International Space Station’s Destiny laboratory.

Russian cosmonaut Pavel Vinogradov, Expedition 36 commander; along with NASA astronaut Chris Cassidy and Russian cosmonaut Alexander Misurkin prepare to…

European Space Agency astronaut Luca Parmitano and Russian cosmonaut Alexander Misurkin exchange good-bye hugs in the Poisk Mini-Research Module 2.

NASA astronaut Chris Cassidy waves good-bye to his crewmates in the Poisk Mini-Research Module 2.

Russian cosmonaut Pavel Vinogradov, Expedition 36 commander; along with NASA astronaut Chris Cassidy and Russian cosmonaut Alexander Misurkin are in…

Russian cosmonaut Pavel Vinogradov, Expedition 36 commander; along with NASA astronaut Chris Cassidy and Russian cosmonaut Alexander Misurkin are in…

Saturn’s rings appear to form a majestic arc over the planet in this image from NASA’s Cassini spacecraft.This view looks…

This artist’s concept depicts NASA’s Voyager 1 spacecraft entering interstellar space, or the space between stars. Interstellar space is dominated…