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

Researchers should urgently think about how humans can reproduce in space, experts have said. As humanity looks towards living beyond Earth, we need to understand how human reproduction will actually ...

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

A new experiment showed that humans may be able to reproduce in space, paving the way for self-sustaining colonies.