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

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

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

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

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

The research in the Polaris program, planned to be three flights, is particularly focused on human health and the effects of ...

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

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

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

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

Music has been a part of human spaceflight since Wally Schirra and Thomas Stafford used smuggled instruments aboard Apollo 7 to play "Jingle Bells." Chris Hadfield is arguably more famous for his ...

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