Multiple images of a distant quasar are visible in this combined view from NASA’s Chandra X-ray Observatory and the Hubble…
A scale model of Boeing's CST-100 spacecraft with an Atlas V rocket successfully underwent a fit check at NASA Langley…
Magnetic loops carry gas and dust above disks of planet-forming material circling stars, as shown in this artist's conception. These…
Astronaut William R. Pogue, pilot of the Skylab 4 mission, relaxes during spacesuit pressure and fit checks at the Kennedy…
At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 39/40 Flight Engineer Steve Swanson of NASA (left), Soyuz…
This graphic depicts the passage of asteroid 2014 DX110 past Earth on March 5, 2014.
Expedition 39/40 backup crew members Barry Wilmore of NASA (left), Soyuz Commander Alexander Samokutyaev of Roscosmos (center) and Flight Engineer…
Expedition 39/40 backup crew member Elena Serova of Roscosmos signs in for the first of two days of qualification exams.
Expedition 39/40 backup crew member and Soyuz Commander Alexander Samokutyaev of Roscosmos signs in for the first of two days…
Expedition 39/40 backup crew members Barry Wilmore of NASA (left), Soyuz Commander Alexander Samokutyaev of Roscosmos (center) and Flight Engineer…
