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 created human eggs containing genes from adult skin cells, a step that someday could help women who are infertile or gay couples have babies with their own genes but would also raise ...

Researchers produced the immature egg cells (seen in pink) out of stem cells created using human blood Saitou Labs A team of Japanese researchers has successfully created oogonia, or primitive ...

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 ...

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

A human embryo embeds itself into a fake uterus created by researchers. Screenshot from an Institute for Bioengineering of Catalonia video Sixty percent of miscarriages are caused by the failure of an ...

Scientists have detected microplastics — the tiny and pervasive fragments now found in our seas, drinking water, food and, increasingly, living tissue — in human semen and follicular fluid, according ...

Every schoolchild learns that vitamin D is essential for proper bone development. Deficiency leads to rickets, a classical childhood affliction with soft, deformed bones resulting in bowed legs. The ...

Thanks to more than three decades of monitoring, researchers at the University of Granada reveal how human absence during the ...