Expedition 51 backup crew member Sergey Ryazanskiy waits to board a Soyuz training mockup.
Expedition 51 crew member Fyodor Yurchikhin applauds as Jack Fischer signs in for final crew qualification exams.
Expedition 51 crew members Jack Fischer and Fyodor Yurchikhin begin final crew qualification exams.
Expedition 51 crew member Fyodor Yurchikhin prepares to enter a Russian segment systems simulator.
Expedition 51 crew members Fyodor Yurchikhin and Jack Fischer participate in the first of two days of final qualification exams.
Expedition 51 crew member Jack Fischer is seen inside a Russian segment systems mockup on a TV monitor.
This image, taken by the JunoCam imager on NASA’s Juno spacecraft, highlights a swirling storm just south of one of…
Infographic describing how the Integrated Structural Test puts “pressure” on four qualification articles of NASA’s Space Launch System.
This image, taken with NASA's Hubble Space Telescope, shows the supernova remnant SNR 0509-68.7, also known as N103B. It is…
The propeller informally named "Earhart" is seen in this view from NASA's Cassini spacecraft at much higher resolution than ever…
