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 ...

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

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

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

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

The historic SpaceX astronaut mission — which conducted the first-ever private spacewalk, among other achievements —returned ...

Days after returning to Earth, the four civilian crew members of the Polaris Dawn mission opened up about their experience seeing the planet from orbit, floating in weightlessness and conducting ...

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

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

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