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.

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

Add Yahoo as a preferred source to see more of our stories on Google. Researchers have captured the very first real-time, three-dimensional images and videos of a human embryo implanting into collagen ...

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 ...

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 ...

Dr. Gitanjaly Chhabra and Dr. Kathleen Hare from University Canada West explore the transformative potential of AI in IVF ...