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.

Neanderthals were the world's first innovators of fire technology, tiny specks of evidence in England suggest. Flecks of pyrite found at a more than 400,000-year-old archaeological site in Suffolk, in ...

Our species is the last living member of the human family tree. But just 40,000 years ago, Neanderthals walked the Earth, and hundreds of thousands of years before then, our ancestors overlapped with ...

Hundreds of miles off the coast of Ecuador, in the very place that inspired Charles Darwin’s seminal theory of evolution, a wild-growing species appears to have hit rewind. A small tomato found in the ...