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

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 mission was commissioned by billionaire Jared Isaacman, who made a fortune as the founder of Shift4 Payments, and did not ...