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

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

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

The crew spent five days in orbit on a mission that includes the first spacewalk by astronauts from the commercial sector.

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

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

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 ...

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

A Crew Dragon splashed down in the Gulf of Mexico early Sept. 15, ending a five-day private astronaut mission that featured ...