On May 5, 1961, Alan Shepard became the first American to travel to space. Born in 1923, Shepard was a decorated pilot with the United States Navy before he was recruited to become one of the Mercury ...

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Blue Origin's all-female 11-minute flight on April 14 reminds us that there's a long line of women who have been making history in space.

As the Space Race intensified, Alan Shepard and Alexei Leonov pushed human spaceflight into the unknown, testing the limits of technology, physiology, and nerve. Their missions reveal how close early ...