"Our history is far richer and more complex than we imagined," said human evolutionary geneticist Aylwyn Scally.

Modern humans descended from not one, but at least two ancestral populations that drifted apart and later reconnected, long before modern humans spread across the globe.

The new review, detailed in the journal Frontiers in Psychology, examines over a dozen genetic studies published in the past 18 years to indicate an initial branching of humans about 135,000 years ago ...

The only iguanas outside the Americas, Fiji iguanas are an enigma. A new genetic analysis shows that they are most closely related to the North American desert iguana, having separated about 34 ...

DNA recovered from archaeological remains of ancient humans who lived in what is now Tunisia and northeastern Algeria reveals ...

Isaiah Fields, 23, sexually assaulted a severely disabled woman with Rett Syndrome who has the cognitive ability of an infant ...