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

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

The four Polaris Dawn astronauts splashed down safely off the coast of Florida today (Sept. 15), bringing an end to their ...

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 ...

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

The four-person Polaris Dawn mission launched aboard a SpaceX Crew Dragon capsule early Tuesday morning (Sept. 10). Later ...

SpaceX brought home the four crew members of Polaris Dawn with a splashdown landing off the coast of Florida early Sunday.

The Polaris missions are helping fast-track Elon Musk's Mars city, from testing spacesuits and a spacewalk to planning ...

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