New study finds microgravity disrupts sperm and embryo development, raising concerns about human reproduction in space.

Humans living in space for months, years, or even generations will need to navigate sex in a zero-gravity world.

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

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 ...