William Shatner, who became the oldest person to travel to space at age 90, is offering encouragement and practical advice to Gayle King and the all-female crew launching April 14.

Astronauts Suni Williams and Butch Wilmore’s extended stay in the International Space Station will add to what we know about how space affects health.

GS-z13-1, marks the earliest sign yet spotted of the era of cosmic reionization at 330 million years after the Big Bang.

Cue the "Star Wars" theme and the opening crawl: "A long time ago in a galaxy far, far away ..." That's what noncontroversial ...

The original one-week mission was extended due to a Boeing Starliner malfunction. The two astronauts will now be returning on a SpaceX capsule. NASA astronauts Butch Wilmore and Suni Williams, who ...

Astronauts Sunita Williams and Butch Wilmore safely returned to Earth after a nine-month ISS mission aboard SpaceX's Dragon ...

As NASA astronauts Butch Wilmore and Suni Williams returned to Earth after being stuck in space for 9 months, residents of ...

A Lake Older Than Mountains Lakes, like mountains, can last millions of years. However, most lakes are short-lived in ...

Waterproof robes for outdoor sports and swimming 'Alien' spotted on board ISS before stranded astronauts Suni and Butch ...

Two astronauts, Butch Wilmore and Sunita Williams, are returning to Earth after their mission was extended due to a spacecraft malfunction. Wilmore and Williams will return on the SpaceX Dragon ...

(AP) — Just over a day after blasting off, a SpaceX crew capsule arrived at the International Space Station on Sunday, delivering the replacements for NASA’s two stuck astronauts. The four ...