(NewsNation) — Humans who spend a long time in space, like the two American astronauts expected to return to Earth later this month, can experience a variety of physical changes by the time they get ...
Austrian daredevil Felix Baumgartener leaped from a capsule raised 24 miles into the sky by way of a helium balloon on Sunday, breaking the sound barrier and numerous world records as part of Red Bull ...
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