The Polaris Dawn crew Jared Isaacman, Scott "Kidd" Poteet, Sarah Gillis and Anna Menon explain the experiments conducted ...

Update: Polaris Dawn has been delayed 24-hours until Tuesday, which SpaceX said is needed to give teams time to complete preflight checkouts. Four non-government astronauts are about to embark on ...

Polaris Dawn is aiming for the first civilian spacewalk on an ambitious mission launching no earlier than Aug. 26. Four astronauts will fly to Earth orbit aboard a SpaceX Crew Dragon capsule ...

For months before liftoff, the popular press had been hyping up the fact that the Polaris Dawn mission would include the first-ever private spacewalk. Not only would this be the first time anyone ...

Those were just a few highlights of September’s Polaris Dawn mission: a five-day, four-person orbital spaceflight purchased from SpaceX and commanded by Jared Isaacman, the billionaire CEO of ...

Spacewalk Recap: Scroll down to read updates from the September 12 SpaceX Polaris Dawn spacewalk. On Wednesday, the crew of Polaris Dawn had traveled further than any human in 52 years, and their ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Each of the four ...

SpaceX and the Polaris Dawn crew have completed the first commercial spacewalk! “SpaceX, back at home we all have a lot of work to do, but from here, Earth sure looks like a perfect world.” ...

is partnering with the Polaris Program to collect biomedical data from its spaceflight participants during the Polaris Dawn mission. Polaris Program’s Polaris Dawn mission is a first-of-its-kind ...

The mission behind the first-ever spacewalk performed by a non-professional astronaut was completed Sunday when the Dragon capsule of SpaceX's Polaris Dawn mission splashed down off the coast of ...