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

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 ...

Floating in near-weightless conditions can be disorienting for even the most experienced astronauts. Male reproductive ...

Space agencies are preparing for longer missions, with NASA’s Artemis program and future Mars plans aiming to extend human ...

As a quartet of astronauts make their way to the far side of the Moon, far-fetched notions of human colonies on the satellite or even Mars - a three-year return trip - are again getting an airing.

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