
A crew member participating in a simulated Mars mission at NASA’s Human Exploration Research Analog, or HERA, carries out maintenance…

An Alta-X drone operated by NASA researchers flies over NASA Langley’s City Environment Range Testing for Autonomous Integrated Navigation (CERTAIN)…

Astronauts Bob Hines and Jessica Watkins inside the cupola, the International Space Station’s “window to the world.”

The SpaceX Dragon space freighter approaches the space station International Space Station during an orbital sunrise.

The SpaceX Dragon space freighter approaches the International Space Station 271 miles above the southern tip of Argentina.

Astronaut Bob Hines activates a CubeLab Satellite to validate a new attitude control technology for small satellites.

Astronaut Samantha Cristoforetti calls down to students from Italy on the International Space Station’s HAM radio.

Astronauts Bob Hines and Jessica Watkins inside the cupola, the International Space Station’s “window to the world.”

The Cubango River separates the African nations of Angola and Namibia in this photograph from the International Space Station.

The Namib Desert on Namibia’s Atlantic coast is pictured from the International Space Station.