
Astronaut candidate Nicole A. Mann works with quickly fashioned fire starting material that will help sustain them for three days…

From left, astronaut candidates Tyler N. (Nick) Hague, Andrew R. Morgan and Nicole A. Mann look over a chart that…

The countenance of astronaut candidate Christina M. Hammock signals her success at fire-starting, a technique that will help sustain her…

Astronaut candidate Nicole A. Mann works with a stripped down tree branch to use as material that will become an…

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…