New research reveals that ancient interbreeding between humans and Neanderthals shaped our modern human DNA - especially on the X chromosome.

Interbreeding Direction Solves Neanderthal X Chromosome Mystery Homo sapiens females unions with Neanderthal males explain X chromosome DNA gap ...

When the two species got together tens of thousands of years ago, the hookups may have often involved a male Neanderthal and a female human, according to a new study. The findings, described February ...

Neanderthals, the closest cousins of modern humans, lived in parts of Europe and Asia until their extinction some 30,000 years ago. Genetic studies are revealing ever more about the links between ...

A study shows that interbreeding between the two species occurred primarily in one direction, and the origin of this bias is ...

The human genome is a rich, complex record of migration, encounters, and inheritance written over thousands of millennia.