The Indigenous peoples of the Bolivian highlands are survivors. For thousands of years they have lived at altitudes of more than two miles, where oxygen is about 35 percent lower than at sea level.

Researchers at the University of Maine are theorizing that human beings may be in the midst of a major evolutionary shift — driven not by genes, but by culture. In a paper published in the Oxford ...

Modern humans descended from not one, but at least two ancestral populations that drifted apart and later reconnected, long ...

Evidence is mounting that the evolution of our species is more convoluted than we imagined — more like a braided stream than a branching tree. When you purchase through links on our site, we may earn ...

Important, previously unrecognized genetic changes common to all ancient and modern Homo sapiens spread in Africa more than 300,000 years ago, a new study finds. After that, the same investigation ...

Researchers discovered that early puberty or childbirth doubles women’s risk for major diseases and accelerates aging, while later timing offers protective benefits. Genetic analysis reveals ...