
Astronaut candidate Jessica U. Meir works with survival gear that will help sustain her for three days in the wilderness.

Victor J. Glover works with survival gear that will help sustain him for three days in the wilderness.

In the International Space Station’s Kibo laboratory, NASA astronaut Karen Nyberg, Expedition 36 flight engineer, conducts a session with a…

Supermassive black hole Sagittarius A* (Sgr A*) is located in the middle of the Milky Way galaxy.

NASA astronaut Chris Cassidy, Expedition 36 flight engineer, enters data in a computer in the Tranquility node of the International…

European Space Agency astronaut Luca Parmitano, Expedition 36 flight engineer, plays a guitar in the Unity node of the International…

Five of the six Expedition 36 crew members are pictured in the International Space Station’s Kibo laboratory during a daily…

NASA astronaut Karen Nyberg, Expedition 36 flight engineer, works with new test samples for the Advanced Colloids Experiment, or ACE,…

Expedition 38/39 crew members participate in a preflight press conference at NASA’s Johnson Space Center.