Polaris Dawn has done the impossible: making history with private citizens conducting a spacewalk. The extravehicular ...

The Polaris Dawn astronauts exposed themselves to the void of space while 435 miles above Earth. Rewatch the moment here.

A crew of four private astronauts made history in the early hours of Thursday when they opened the hatch of their SpaceX ...

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

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

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

"As we travel around our beautiful planet Earth on this five-day mission, we wanted to share this special musical moment with ...

The highly anticipated program has faced a series of delays from the originally planned Aug. 26 launch due to unfavorable ...

Jared Isaacman gives a thumbs-up after Inspiration4, the world's first all-civilian mission to space, safely returned to ...