Astronaut Edgar Dean Mitchell's experience in space led him to found the Institute of Noetic Sciences, which explores the science behind psychic and spiritual phenomena.

CAPE CANAVERAL, Fla. (AP) — A private lunar lander has captured the first high-definition sunset pictures from the moon.

NASA astronauts Suni Williams and Butch Wilmore begin their 17-hour return journey to Earth after 9 months aboard the ISS. Follow Newsweek's live blog.

Why SpaceX, Rocket Lab, Arianespace made Fast Company's list of the most innovative companies doing work in space.

The Blue Ghost spacecraft, named for a species of firefly, took eclipse chasing to new heights. Not only did it see the Earth block the Sun from an unexplored location on the Moon, but the lander fell ...

The documentary tells the story of Gus Grissom, Ed White and Roger Chaffee, who died after a fire erupted in their spacecraft on the launch pad.

A private US lander has captured eerie high-definition images of a lunar sunset, which NASA hopes will help unravel the ...

Since those early steps, extravehicular activity has helped provide the solutions to many problems that astronauts face in ...

The pair of Boeing Starliner astronauts left behind on the International Space Station are finally on their way back to Earth after a planned eight-day trip turned into more than 9 1/2 months in space ...

NASA’s Butch Wilmore and Suni Williams, whose weeklong Boeing Starliner mission turned into an extended stay in space, have returned to Earth, splashing down off the coast of Florida around 5:57 p.m.

New images of the infant universe captured by the Atacama Cosmology Telescope (ACT) are the most precise "baby pictures" to ...

During the nine months that NASA's stranded astronauts have spent in space, their bodies endured low gravity, space radiation, isolation and more. Here are all the signs of their ill-health.