Africa has long been known as the cradle of humanity. Fossils, tools and genetics all point there. Yet the deeper story of how the first modern humans lived, moved and mixed has stayed blurry. Too ...

Most modern humans with non-African ancestry carry small amounts of Neanderthal DNA across much of their genome but have little-to-none on their X chromosomes. New research from Penn challenges an old ...

The human genome is a rich, complex record of migration, encounters, and inheritance written over thousands of millennia. Genomic research by members of Sarah Tishkoff's lab at the University of ...

Modern human faces are surprisingly delicate compared with the heavy brow ridges and projecting midfaces of Neanderthals, even though we share a close evolutionary history. The split between our ...