Sperm may lose their ability to navigate in microgravity, raising new questions about whether human reproduction is possible ...

Floating in near-weightless conditions can be disorienting for even the most experienced astronauts. Male reproductive cells—sperm—also seem to get confused in simulated microgravity, which has ...

A new study by NASA scientists explores the risks and challenges of human reproduction in space, especially for long missions ...

University of Adelaide research shows sperm navigation fails in microgravity conditions, posing significant challenges for human reproduction in space.

Add Yahoo as a preferred source to see more of our stories on Google. Describing space as a fundamentally "hostile environment" for all human life, the study highlights the very limited data on human ...

A new study suggests humans face barriers to reproducing in space, with microgravity disrupting sperm movement.