Wispy, noctilucent clouds blanket the Earth's horizon as the International Space Station orbited 263 miles above the Sea of Okhotsk.
The sun's rays begin to illuminate the Earth's atmosphere as the International Space Station flew into an orbital sunrise.
The sun's glint beams off the Mozambique Channel in this photograph of Madagascar's coast.
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)…
Astronaut Samantha Cristoforetti calls down to students from Italy on the International Space Station's HAM radio.
Astronaut Bob Hines activates a CubeLab Satellite to validate a new attitude control technology for small satellites.
The SpaceX Dragon space freighter approaches the International Space Station 271 miles above the southern tip of Argentina.
The SpaceX Dragon space freighter approaches the space station International Space Station during an orbital sunrise.
Astronauts Bob Hines and Jessica Watkins inside the cupola, the International Space Station's "window to the world."
