The Polaris Dawn crew tries out their new spacesuits.
SpaceX
- SpaceX's Polaris Dawn mission is about to attempt the first-ever commercial spacewalk.
- Four people plan to don new spacesuits and open their Crew Dragon spaceship to the vacuum of space.
- You can watch the historic, risky operation in a livestream on Thursday. Here's what to know.
A billionaire-backed SpaceX mission is about to attempt a daring, first-of-its-kind feat.
On Thursday, four people...