The Coolest—and Most Frightening—Spacewalks in History

The first all-female spacewalk

NASA astronauts Christina Koch and Jessica Meir during the first all-female EVA. Photo: NASA

It took a while to happen, and not without prior controversy, but on October 21, 2019, NASA astronauts Christina Koch and Jessica Meir participated in the first all-female spacewalk. The duo swapped out a faulty battery charger on the ISS’s truss structure.

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