Early this morning, the crew of a commercial space mission opened the hatch of their Crew Dragon capsule as they orbited 435 miles above Earth. Half the Polaris Dawn crew, SpaceX astronaut Sarah ...

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 who ...

If all goes as expected, in a matter of days, Internet entrepreneur Jared Isaacman and SpaceX engineer Sarah Gillis will be the first private astronauts to exit their spacecraft to float above the ...

History’s first two spacewalks were cakewalks compared to the third, performed by NASA astronaut Eugene Cernan on June 5, 1966. For this, the Gemini 9A mission, Cernan was to reach the rear of the ...

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NASA astronaut Ed White is the first U.S. citizen to perform a spacewalk, which he did on June 3, 1965, only three months after Leonov’s daring jaunt. The EVA, conducted during the Gemini 4 mission, ...