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 ...

Scientists have identified the biochemical signals that control the emergence of the body pattern in the primate embryo. This will guide work to understand birth defects and pregnancy loss in humans.

A study based on a review of genetic and health information from more than 276,000 people finds strong support for a decades-old evolutionary theory that sought to explain aging and senescence. A ...

Researchers are inching closer to mass-producing eggs and sperm in the lab from ordinary human cells. The technique could provide new ways to treat infertility but also open a Pandora's box. We are ...

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 ...

SpaceBorn United wants to conduct an IVF experiment in Earth’s orbit to pave the way for long-term space missions. Egbert Edelbroek was acting as a sperm donor when he first wondered whether it’s ...

In the quest to create better options for couples facing infertility, scientists have been racing to create eggs and sperm in a laboratory dish. A study published Tuesday in Nature Communications from ...