For example, right before females ovulate — when estrogen reaches its peak — they tend to be more physically active. The ...

Each month during a woman's menstrual cycle, an ovary prepares 10–20 antral follicles, fluid-filled sacs that hold immature ...

Paterna Biosciences says it has determined the set of instructions needed to turn sperm-making stem cells into "normal, ...

Researchers at the University of Ottawa and the Institute of Hydrobiology of the Chinese Academy of Sciences have discovered a new role for reproductive hormone secretoneurin (SN) and, for the first ...

A massive study of ancient and modern DNA from thousands of West Eurasian people has identified nearly 500 genetic variants ...

The work demonstrates the power of ancient DNA to illuminate human biology and medicine in addition to history. A massive ...

A study published in Molecular Human Reproduction has found that fetal cells can migrate into a mother’s body during pregnancy and remain there for years, ...

Human sperm lose direction in microgravity, reducing fertilisation rates by up to 30 per cent Microgravity alters hormone regulation, lowering sperm and egg quality in space environments Cosmic ...

Could humanity ever truly thrive on another planet? Researchers at Adelaide University are uncovering surprising biological and technical challenges for human reproduction in microgravity, revealing ...

17:06, Thu, Mar 26, 2026 Updated: 17:12, Thu, Mar 26, 2026 Human sperm loses its navigational abilities in space, indicating that creating mini-astronauts on the Moon or Mars could prove to be quite ...

Having a baby in space may require a bit more direction, with new Adelaide University research revealing the navigational abilities of sperm are negatively impacted by a lack of gravity. Researchers ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Humans don’t have a defined mating season like deer or wolves. Here’s how evolution rewired ...