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Space Mice Come Home and Start Families

A female mouse that spent two weeks aboard China’s space station has successfully given birth to healthy pups after returning to Earth. This marks the first time offspring have been born from mammals that have traveled in space. The birth demonstrates that short term spaceflight doesn’t impair reproductive capability and provides crucial data for understanding how space environments affect mammalian development, a critical question for future long-l duration human missions beyond Earth.

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