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 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.

New research reveals the presence of microplastics in human reproductive fluids, raising important questions about their potential risks to fertility and reproductive health European Society of Human ...