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 ...

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 ...

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 ...

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

The privately-funded Polaris Dawn space mission that splashed down in the Gulf of Mexico last month was one for the record books. The four-person crew traveled farther into space than any human ...

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

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 ...

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.” ...

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 ...

Astronaut and CU Boulder alum Sarah Gillis will speak at CU Boulder from 3:30 to 5 p.m. Monday at Fiske Planetarium, 2414 ...

For the Polaris Dawn mission, the iconic image is that of two of the astronauts: first Jared Isaacman, the billionaire entrepreneur who paid for the flight, then Sarah Gillis, a SpaceX engineer ...

The Polaris Dawn mission lifted off from NASA’s Kennedy Space Center at 5:23 a.m. EST after several delays due to inclement weather. Near the end of the first day of the mission, the SpaceX Crew ...