An update to a story we first told you about last month about physicians at the Medical College of Georgia working with the ...

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

Polaris Dawn has done the impossible: making history with private citizens conducting a spacewalk. The extravehicular ...

SpaceX's Polaris Dawn mission was a spaceflight for the ages. Here's what the historic mission was like from launch to ...

The SpaceX Dragon capsule made a water landing Sunday in Florida, bringing to an end the historic commercial Polaris Dawn ...

After accomplishing a number of space industry firsts, including the first-ever private astronaut spacewalk, the Polaris Dawn ...

SpaceX's Polaris Dawn early Sunday splashed down in the Gulf of Mexico after a five-day mission that included the world's ...

A SpaceX Falcon 9 lifted off in the early hours last Tuesday morning carrying a private astronaut crew led by a billionaire ...

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

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

The launch of Polaris Dawn from Kennedy Space Center includes the first civilian commercial spacewalk and other factors that ...

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