
NASA spacewalker Josh Cassada prepares a roll-out solar array for its deployment on the International Space Station.

NASA spacewalker Josh Cassada prepares a roll-out solar array for its deployment on the International Space Station.

NASA spacewalker Josh Cassada rides the Canadarm2 robotic arm to prepare a roll-out solar array for its deployment.

NASA spacewalker Josh Cassada prepares a roll-out solar array for its deployment on the International Space Station.

Hawaii’s big island and its two major volcanoes Mauna Kea and Mauna Loa rest under a partly cloudy sky on…

Cosmonauts Anna Kikina and Sergey Prokopyev are pictured working together inside the Zvezda service module.

A snow-covered Boysen State Park and a frozen Boysen Reservoir in Wyoming are pictured from the International Space Station.

The Niger River, its tributaries, and the Fati and Oro lakes in the African nation of Mali, are pictured from…

Astronaut Nicole Mann swaps samples inside the Microgravity Science Glovebox for a space physics study.