NASA Administrator Jim Bridenstine takes a selfie with the audience at the Challenger Center Annual Conference, Wednesday, Aug. 14, 2019.
Firefighters are battling a huge wildfire in a nature reserve on the island of Evia in Greece.
On August 13, 2019, NASA astronauts Doug Hurley, left, and Bob Behnken continue to work with teams from NASA and…
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Expedition 60 Flight Engineer Christina Koch of NASA looks through the station's "window to the world."
Expedition 60 Flight Engineer Christina Koch of NASA can be seen here floating with the SPHERES robots.
Expedition 60 Flight Engineer Christina Koch of NASA activates the new BioFabrication Facility to test its ability to print cells.
Expedition 60 Flight Engineer Nick Hague of NASA is pictured in the vestibule between the Unity module and the Northrop…
Expedition 60 Flight Engineer Luca Parmitano of the European Space Agency configures and installs hardware in the Fluid Science Laboratory.
Expedition 60 Flight Engineer Andrew Morgan of NASA monitors a pair of tiny, free-floating satellites known as SPHERES.
