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 ...

If everything goes to plan, here's how to watch it. Polaris Dawn: SpaceX is about to launch a billionaire and 3 others into orbit on civilian mission After arriving last week at NASA's Kennedy ...

We appreciate this snack," Isaacman said, as captured in a behind-the-scenes clip. Related: SpaceX Polaris Dawn astronauts ...

Dragon and the Polaris Dawn crew will spend up to five days in orbit, flying higher than any Dragon mission and endeavoring to reach the highest Earth orbit ever flown. While in orbit, the crew will ...

an on-orbit symphonic performance, and nearly 40 scientific research experiments. Those were just a few highlights of September’s Polaris Dawn mission: a five-day, four-person orbital ...

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 ...

However, the orbit was lowered to about 700 km for the ... spacesuits as well as Starlink's transmission capabilities. Polaris Dawn is the first of three missions in the Polaris joint program ...

After an amazing orbital flight, billionaire-pilot Jared Isaacman says he aims to safeguard human civilization by spreading ...

The distance the Polaris Dawn crew reached is the furthers astronauts have traveled ... to speed around the Earth at more than 17,000 mph to ensure it stays in orbit. Sarah Gillis, who is an astronaut ...