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Study Finds Microgravity Disorients Sperm and Lowers Early Fertility

The findings flag a concrete hurdle for off‑Earth reproduction.

New Global Map Reveals Young Lunar Fault Ridges, Expanding Moonquake Risk Zones

Spaceflight Tied to Rapid, Reversible Epigenetic Aging in Axiom-2 Crew

Spaceflight Accelerates Aging of Human Blood-Forming Stem Cells, Study Shows