Sian Cleaver from Airbus says the safety of the astronauts is the top priority
It can take a long time for the body to return to normal, so the pair will be given an extensive exercise regime as their bodies re-adapt to living with gravity.
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For those in the trenches looking for work, the search is demoralising, regardless of its cause.
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Nature, Published online: 26 February 2026; doi:10.1038/d41586-026-00583-z