NASA's Cassini imaging scientists processed this view of Saturn's moon Dione, taken during a close flyby on June 16, 2015.
On June 3, members of the Green Propellant Infusion Mission (GPIM) project completed the fourth hot-fire acceptance test on a…
A laterally oriented structure in the Sun's corona seemed to balance itself above the Sun's surface for at least two…
European Space Agency astronaut Timothy Peake awaits the start of a spacewalk training session.
Official insignia and patch of Expedition 46.
Official NASA portrait of British astronaut Timothy Peake a member of Expedition 45 and 46.
NASA astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko.
Expedition 44 NASA astronaut Kjell Lindgren.
Official crew photograph of NASA astronaut Scott Kelly.
Official crew photograph of Russian cosmonaut Mikhail Kornienko (Roscosmos).
