China's Tianzhou-10 mission just delivered embryo-like structures made from living stem cells to the Tiangong space station.

Male and female reproductive systems allow human reproduction. Fertilisation occurs when a sperm and egg join to form an embryo. An embryo develops into an unborn baby in the uterus during pregnancy.

Researchers should urgently think about how humans can reproduce in space, experts have said. As humanity looks towards living beyond Earth, we need to understand how human reproduction will actually ...

BEIJING, May 11, 2026 /PRNewswire/ -- Since the world's first IVF baby was born almost 50 years ago, assisted reproductive technologies have advanced spectacularly to help millions of infertile ...

Human biology evolved for a world of movement, nature, and short bursts of stress—not the constant pressure of modern life. Industrial environments overstimulate our stress systems and erode both ...

We take it for granted that humans find it more difficult to conceive as they grow older. But our recent study, which analysed data from 157 animal species, found that male reproductive ageing seems ...

Researchers should urgently think about how humans can reproduce in space, experts have said. As humanity looks towards living beyond Earth, we need to understand how human reproduction will actually ...