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

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

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

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.

New research reveals that getting pregnant in space would be a very difficult task. Research carried out by the University of Adelaide reveals that sperm lose direction in microgravity, reducing ...

While space agencies are making significant preparations for long-term missions to the Moon and Mars, a fundamental human ...

The study's findings pose significant challenges for future space colonisation efforts.