SpaceX's all-civilian Polaris Dawn mission has pulled off an incredible feat: the first-ever commercial spacewalk. After fully depressurizing their entire spacecraft, billionaire and mission ...

The real Apollo 15 command module, which its crew named "Endeavour," is on display today at the National Museum of the U.S. Air Force in Dayton, Ohio, and, unlike the spacecraft in the show, it is ...

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Tech billionaire Jared Isaacman became the first-ever non-astronaut to start a spacewalk early Thursday after already traveling the furthest a human being has gone into space since the Apollo program.

Only two people — Mr. Isaacman and Ms. Gillis — are to leave the capsule to do the walk. Mr. Poteet and Ms. Menon will remain in the spacecraft to manage the umbilical cords and monitor the ...