As early humans spread from lush African forests into grasslands, their need for ready sources of energy led them to develop a taste for grassy plants, especially grains and the starchy plant tissue ...

A timeless question has always fascinated scientists who study the past. Which comes first, the new behavior or the physical tool that perfects it? Do you change how you live and then evolve the body ...

Long before modern humans appeared in Africa about 300,000 years ago, our ancestors faced a crisis that almost ended the lineage entirely. A groundbreaking study has revealed that between 930,000 and ...

Researchers discovered that autism’s prevalence may be linked to human brain evolution. Specific neurons in the outer brain evolved rapidly, and autism-linked genes changed under natural selection.

We are indeed still evolving, though it can be hard to tell because it happens over generations and often involves things you can't see, such as what foods different people are able to digest. When ...

Michael A. Little does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...