Human biology evolved for a world of movement, nature, and short bursts of stress—not the constant pressure of modern life.

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 ...

As the ambition for interplanetary colonization grows, fueled by the need to safeguard humanity from existential threats, one of the most intriguing questions has emerged: can humans reproduce in ...

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 ...