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

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 ...

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

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

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 ...

March 28, 2026: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.

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

As a quartet of astronauts make their way to the far side of the Moon, far-fetched notions of human colonies on the satellite ...