Helium-3 (He-3) on the moon's surface has drawn attention for decades. In 1939, a paper first noted the presence of Helium-3 ...

Butch Wilmore and Suni Williams left the International Space Station in a SpaceX capsule early Tuesday, checking out with the cosmonaut and astronaut.

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 ...

Butch Wilmore and Suni Williams left the International Space Station in a SpaceX capsule early Tuesday, checking out with the cosmonaut and astronaut.

Massachusetts native Suni Williams is among NASA’s two stuck astronauts headed back to Earth with SpaceX on Tuesday -- a ...

Butch Wilmore and Suni Williams left the International Space Station in a SpaceX capsule early Tuesday, checking out with the cosmonaut and astronaut.

The astronauts' return will close out a dramatic marathon mission that began with a bungled test flight of Boeing's Starliner ...

A private lunar lander has captured the first high-definition sunset pictures from the moon. Firefly Aerospace and NASA ...

Suni Williams and Butch Wilmore returned to Earth in a SpaceX capsule after problems with a Boeing vehicle set in motion an ...

On an episode of “The Story Behind the AP Story,” Associated Press space writer Marcia Dunn discusses the space odyssey of ...

NASA astronauts including Sunita have undocked from the ISS and are expected to splash down off the Florida coast around 5.57 ...

Wilmore and Williams, both former U.S. Navy test pilots, expected to remain in orbit for about 10 days on the mission, which ...