
Astronaut Samantha Cristoforetti is seated next to “Rosie the Rocketeer” inside Boeing’s CST-100 Starliner spacecraft.

Astronaut Bob Hines is pictured inside the vestibule between the Unity module and Cygnus.

The sun’s glint beams off the Atlantic Ocean off the coast of Angola.

The European robotic arm, the International Space Station’s third and newest robotic arm, is pictured attached to the Nauka module.

Since the Apollo program, astronauts have documented (and contended with) how liquids behave differently in microgravity than they do on…

Boeing’s CST-100 Starliner crew ship approaches the International Space Station on the company’s Orbital Flight Test-2 mission.

Boeing’s CST-100 Starliner crew ship approaches the International Space Station on the company’s Orbital Flight Test-2 mission.

Boeing’s CST-100 Starliner crew ship approaches the International Space Station on the company’s Orbital Flight Test-2 mission.

Boeing’s CST-100 Starliner crew ship is pictured after docking to the Harmony module’s forward port on the International Space Station.