Powering spacecraft with solar energy may not seem like a challenge, given how intense the sun's light can feel on Earth.

NASA astronauts Butch Wilmore and Suni Williams set out for a weeklong mission at the International Space Station last year.

Astronauts donned the suit, earlier this morning, to begin their journey as they entered the spacecraft and Crew-10 ...

NASA astronauts Butch Wilmore and Suni Williams departed the International Space Station early on Tuesday morning in a SpaceX ...

Astronauts have lived aboard the space station for longer than nine months (NASA astronaut Frank Rubio logged over a year), ...

The Starliner crew was originally meant to stay on board the ISS for a week, but issues with Boeing's Starliner spacecraft ...

NASA astronauts Sunita Williams and Butch Wilmore, stranded at the International Space Station for over nine months, will ...

NASA removed two astronauts from its Crew-9 mission to allow for Williams and Wilmore to join the cohort, and return onboard ...

NASA and SpaceX made another attempt on Friday to send a crew up to the International Space Station (ISS) and begin the ...

After an nine-month stay that was only supposed to last eight days, NASA Suni Williams and Butch Wilmore have finally left ...

Bothell, Wash.-based Portal Space Systems shows off the lab where its solar thermal propulsion system will be developed.

Firefly Aerospace’s Blue Ghost lander marks the first fully successful commercial moon mission, achieving all objectives and ...