Reproductive biologists led by Francesca Duncan of Northwestern University made the discovery after studying the ovaries of mice. Like humans, mouse ovaries also go quiet, typically around the ...

Producing follicles isn’t the only task for ovaries, new research suggests. (Steve Gschmeissner/Science Photo Library/Getty ...

Tails take up most of the real estate on a sperm cell. They may have tiny bodies, but fruit flies produce giant sperm. Adult ...

As central female reproductive organs, the ovaries produce fertilizable eggs and generate the sex hormones estrogen and ...

Dr. Snehal Kohale shares the reproductive impact of delaying motherhood on women's health. Here is how fertility in affected ...

It is important to understand why Christians cannot support Pride Month, and to be able to explain the reasons charitably and ...

Most people on Earth are habitats for mites that spend the majority of their brief lives burrowed, head-first, in our hair ...

At first glance, bat sea stars, the nubbly, orange, many-footed creatures often found on the seafloor, seem about as far from humans as one can get. Appearances can be deceiving, however. Scientists ...

A growing form of donation is expanding the organ supply in the US — and testing how medicine protects dying patients.

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

When Jasmin Imran Alsous peered down her microscope lens, she expected to see chaos—a mishmash of tangled cells. She was viewing the inside of a male fruit fly's sperm storage organ, using a powerful ...

ChatGPT can spontaneously generate sexually explicit and deeply violent images from prompts that did not request such material to be produced, research has found. At such a critical moment in US ...