Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy ...

The human body is a masterpiece of engineering. Beyond the common facts everyone knows, there are peculiar abilities, rare ...

For the third weekend in a row, large swaths of the United States have wilted under early-season heatwaves that have set high temperature records from California to Texas. Nearly 100 million Americans ...

An organ is a group of tissues that work together to perform a specific task in the body, such as digesting nutrients or producing chemical messengers that enable brain cells to communicate. Although ...