There are a lot of claims about breast milk, but we know little about this sophisticated substance. Two researchers update us on the latest.

A researcher who studies the effects of extreme cold on the body throws a few drops of icy water on the social media trend.

In 1990, Marilyn vos Savant riled up scores of mathematicians with her solution to the “Monty Hall Problem.” But she was ...

Menopause research began in earnest about 30 years ago. Two experts want you to know that we’ve actually learned a lot—and it’s not all bad.