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.

Wild animals that have acquired adaptions to maximize their reproductive output in some of the world's most extreme conditions may provide answers to some of the most pressing problems in the field of ...

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

As commercial spaceflight edges closer to reality, astronauts spend more time orbiting Earth, and as we look to one day settle on Mars, questions about sex and reproductive health in space need to be ...

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

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

As commercial spaceflight draws ever closer and time spent in space continues to extend, the question of reproductive health beyond the bounds of planet Earth is no longer theoretical but now ...

For a long time, having children has been a young person’s game. Although ancient records are sparse, researchers estimate that, for most of human history, women most typically conceived their first ...

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