
Astronauts Joan Higginbotham (foreground) and Suni Williams refer to a procedures checklist as they work the controls of the Canadarm2,…

Expedition 55 crew members Ricky Arnold of NASA, Oleg Artemyev of Roscosmos and Drew Feustel of NASA are greeted by…

Expedition 55 crew members point to their Soyuz crew patch March 4 during their flight from their training base outside…

Expedition 55 backup and prime crew members pose for pictures with the statue of Vladimir Lenin as a backdrop March…

Expedition 55 crew members pose for pictures at the airstrip in Baikonur, Kazakhstan after their arrival March 4.

In this image, NASA’s Cassini sees Saturn and its rings through a haze of Sun glare on the camera lens.

Atlas V Prepared to Boost NASA’s InSight to Mars