Microgravity and higher radiation levels in orbit could disrupt cell alignment, gene expression, or organ formation.
Live Science on MSN
China launches 'human artificial embryos' to space for the first time
China's Tianzhou-10 mission just delivered embryo-like structures made from living stem cells to the Tiangong space station.
The experiment should reveal how microgravity affects early human development – a critical question if we ever want to have babies beyond the confines of our planet.
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