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.

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

Scientists discovered humans descended from two ancient populations, not one. These groups split 1.5 million years ago.

Koch Hall of Human Origins,” which opened 15 years ago. Smithsonian's Human Origins Program. What does it mean to be human ...

A new study reveals that a mysterious human ancestors contributed 20% of modern human genes, potentially enhancing brain ...

The upper jawbone and partial cheek bone represent a mysterious unknown species that lived in present-day Spain between 1.1 ...

The skull evolved for protection against blunt force. Modern acceleration and rotational forces expose the brain to new ...

Fossils are like time capsules, offering us a rare chance to glimpse the distant past. Over the years, a number of ancient ...

MailOnline's graphic below shows this 'hidden chapter' in human evolution spanning from 1.5 million years ago (top) until the modern-day (bottom). For the study, the team used data from the ...

The research team at the Atapuerca archaeological sites in Burgos, Spain, has just broken its own record by discovering, for ...

The discovery of 1.5-million-year-old bone tools in Tanzania suggests early human ancestors had advanced cognitive abilities ...

Beyond human ancestry, the researchers say their method could help to transform how scientists study the evolution of other species. In addition to their analysis of human evolutionary history ...