NASA astronaut Sunita 'Suni' Williams set a new spacewalking record, surpassing Peggy Whitson's total spacewalking time of 60 hours and 21 minutes.

Their invention, the pineal gland simulator and regulator — or “Pinacal” — simulates the effects of sunset and sunrise in ...

NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore have been on the International Space Station since June, ...

The taxpayer-funded news outlet NPR contradicted its own reporting Wednesday on astronauts stranded in the International ...

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

The vice president leading Boeing's Starliner spacecraft unit, Mark Nappi, has left his role in the program and been replaced ...

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 ...

I once thought that if I could ask God one question, I would ask how the universe began, because once I knew that, all the ...

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

Starliner co-pilot Sunita Williams is now the world's most experienced female spacewalker, moving up to number four overall.

"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 ...