New evidence backs up the claim that female physiology is wired for endurance. But that's not why Rachel Entrekin won the ...

The Y chromosome, which distinguishes males from females at the genetic level, appeared some 180 million years ago. It originated twice independently in all mammals. Scientists have managed to date ...

As someone who spends a lot of time thinking about clothes, I inevitably spend lots of time figuring out the right undergarments to go underneath, too. Grappling with uncomfortable strapless bras and ...

The female external genitalia is called the vulva. Its components include the vagina, the labia minora, the labia majora, the urethra, and the clitoris. In our increasingly digital world, many sources ...