A glass of milk can still mark a line through humanity. For most adults, drinking it brings discomfort because the body ...

For most of human evolution, the story of the brain seemed to move in one direction: up. Over millions of years, our ...

Red meat has long occupied a near-mythic place in the story of human evolution. It is often cast as the food that helped make ...

Learn more about humans’ 3-million-year-long relationship with red meat, and how the food that shaped human evolution may now come with a high health and environmental cost in the modern age.

Many people today simply assume that our evolution has quietly ended with the development of the modern human. It's easy to think that medicine, science, and modern living have made us "perfect" or ...

A new study suggests humans became overwhelmingly right-handed because of two major evolutionary shifts: walking on two legs ...

A massive study of ancient and modern DNA from thousands of West Eurasian people has identified nearly 500 genetic variants ...

For most of human history, green eyes didn’t exist. Understanding why they do now means rethinking what we know about ...

Why do we kiss? The answer involves ancient apes, immune systems and a neurochemical cocktail in the human brain that few can ...