Four private astronauts are back on Earth after a five-day mission that set firsts and broke records in an effort to advance ...

Spacewalk Recap: Scroll down to read updates from the September 12 SpaceX Polaris Dawn spacewalk. On Wednesday, the crew of ...

Splashdown northwest of Key West, Florida, will close out a mission highlighted by the first non-government civilian ...

The four astronauts of the Polaris Dawn mission traveled to 870 miles above Earth on Tuesday. Ahead of them Thursday is a ...

The Polaris Dawn crew safely returned to Earth Sunday morning.. The Dragon capsule carrying the mission’s four astronauts — ...

A member of SpaceX’s Polaris Dawn mission has described what it was like aboard the Crew Dragon as it entered Earth’s atmosphere at high speed last weekend.

A New Hampshire man and three other crew members from the Polaris Dawn mission discussed their historic journey to space.

Earth orbit that included the world’s first commercial spacewalk as it aims to splash down off Florida’s coast.

The Polaris Dawn crew is back on Earth, splashing down in the waters off the coast of Florida early Sunday morning.

Fresh off their historic space flight, the crew of the Polaris Dawn sat down for an exclusive interview about their historic ...

In an exclusive interview with NBC’s Lester Holt, which will air on NBC Nightly News on Tuesday, the crew — billionaire ...