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 ...

For five days, the crew of the Polaris Dawn mission completed a number of objectives that could one day bolster deep-space ...

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

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

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 ...

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

The Polaris Dawn crew includes mission commander Jared Isaacman, the billionaire CEO of the finance company Shift4 Payments; ...