US space agency NASA said that Sunita Williams and Butch Wilmore completed their primary objectives during the spacewalk.

Their invention, the pineal gland simulator and regulator — or “Pinacal” — simulates the effects of sunset and sunrise in order to stimulate hormones, which in turn causes astronauts to experience a ...

Once docked, the private astronauts plan to spend up to 14 days aboard the orbiting laboratory, conducting a mission comprised of science, outreach, and commercial activities.

NASA's two stranded astronauts conducted their first spacewalk together Thursday, stepping outside the International Space Station.

"I have just asked Elon Musk and SpaceX to 'go get' the 2 brave astronauts who have been virtually abandoned in space by the ...

The robotic arm delivered NASA astronaut Suni Williams to a worksite during a record-breaking spacewalk at the International ...

Orbital dynamics show that President Trump’s pledge to land astronauts on Mars couldn’t happen until 2029 at the earliest.

Headliners including Jane Goodall, Brian May, Pablo Álvarez, Glenn Hughes, Jorge Drexler, and many more will celebrate ...

NASA's two stuck astronauts are taking their first spacewalk together, exiting the International Space Station almost eight ...

"Williams surpassed former NASA astronaut Peggy Whitson’s record for total spacewalking time by a female astronaut. Williams now has 62 hours, 6 minutes of total spacewalk time, fourth on NASA’s ...