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

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 ...

The River Ness in Scotland was the only river of those sampled that did not show traces of the "forever chemical" TFA. A chemical that scientists worry might have an impact on human reproduction has ...