This handout photo from NASA shows images from NASA's Mars 2020 Perseverance rover at its new home in Jezero Crater on February 21, 2021, afte…
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A crewed mission to Mars would rank among the most complex and costly undertakings in human history -- and US President Donald Trump has vowed…
As astronauts Butch Wilmore and Suni Williams prepare to return home after nine months aboard the International Space Station (ISS), some of t…
Bone and muscle deterioration, radiation exposure, vision impairment -- these are just a few of the challenges space travelers face on long-du…