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Even short trips to space can change an astronaut’s biology − a new set of studies offers the most comprehensive look at spaceflight health since NASA’s Twins Study

  • Written by Susan Bailey, Professor of Radiation Cancer Biology and Oncology, Colorado State University
Even short trips to space can change an astronaut’s biology − a new set of studies offers the most comprehensive look at spaceflight health since NASA’s Twins StudyCrew members from the Inspiration4 mission. New research looks at the biological effects of their short trip to space. SpaceX, CC BY-NC

Only about 600 people have ever traveled to space. The vast majority of astronauts over the past six decades have been middle-aged men on short-duration missions of fewer than 20 days.

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