2.6 million years ago started a period that we call the Stone Age. And during this period, that spanned nearly 2.5 million years, our ancestors faced three ice ages, limited resources and hungry ...

Your pet dog -- and every other dog in the world -- most likely descended from a single population of wolves that lived 20,000 to 40,000 years ago, according to a new study in the journal Nature ...

Genetic evidence is revealing that human populations began to expand in size in Africa during the Late Stone Age approximately 40,000 years ago. A research team led by Michael F. Hammer (Arizona ...

A new collagen fingerprinting tool can help scientists identify species from archaeological bone fragments. Pacific islanders of the late Stone Age, also known as the Neolithic period, were master ...