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May 5, 2025, 05:00 PM - 7 min read
The term astronaut was only rarely disputed until the first “celebrity” suborbital flight in 2021. In the 1960s, pilots flying the experimental, rocket-powered X-15 jet were awarded astronaut status by the US Air Force if they flew above 50 miles (80km).
Read moreSeptember 1, 2024, 10:44 AM - 2 min read
By using advanced techniques to study both gut bacteria and genes at the same time researchers are beginning to see patterns that could explain changes in astronauts' bodies during space travel.
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