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 don’t have a defined mating season like deer or wolves. Here’s how evolution blended biology, culture and social life into year-round intimacy.

Researchers have captured the very first real-time, three-dimensional images and videos of a human embryo implanting into synthetic uterine tissue—revealing a key stage in reproduction. The resulting ...

Companies are racing to accelerate and commercialize in-vitro gametogenesis, or IVG, which would make human eggs and sperm in the lab from any cell in the body containing anyone's DNA. One of the most ...

Scientists warn that radiation and microgravity pose a major threat to human reproduction in space. Understanding these ...