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

Northwestern Medicine scientists have discovered that one of the body's most fundamental biological processes—how red blood ...

Country music star Jillian Cardarelli is sharing an update with fans as she takes things "one day at a time" amid her battle ...

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 ...

Males of the species Drosophila melanogaster pack thousands of almost two-millimeter-long sperm cells into significantly smaller storage organs. A new study reveals how they move in an orderly manner ...

We've all heard of menopause: a supposedly terminal moment for the female reproductive system, in which the ovaries stop ...

Scientists have, for the first time, used an extremely precise genome editing technique called base editing to study gene ...

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 ...

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 ...

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

Three women have described donating their hearts to medical research at the same time as they received life-saving ...

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