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.

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

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

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

On Earth human sperm tend to know where to go when it comes to fertilizing an egg in utero. But that may not be the case in ...

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

Having a baby in space may require a bit more direction, with new Adelaide University research revealing the navigational ...

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

Human sperm loses its sense of direction in space, making the prospect of conceiving babies on the Moon or Mars an incredibly ...

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 ...