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

Scientists say DNA evidence indicates male Neanderthals and human females interbred more often than opposite ...

A 2026 study finds sex-biased interbreeding, not genetic incompatibility, likely explains why Neanderthal DNA is scarce on the human X chromosome.

Learn how sex-biased interbreeding between Neanderthals and modern humans explains why Neanderthal DNA is largely missing ...

Neanderthals and modern humans interbred for several millennia, shortly after the ancestors of all non-Africans moved into Eurasia, according to two new studies. Although these Homo sapiens ...

Most people of non-African ancestry carry about 2% Neanderthal DNA, and researchers report a mirror image pattern with more human DNA on the Neanderthal X chromosome.

Researchers found that Neanderthals carried excess modern human DNA on their X chromosomes, pointing to predominantly male ...

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

Humans don’t have a defined mating season like deer or wolves. Here’s how evolution blended biology, culture and social life into year-round intimacy.

Growing research – including ancient DNA technology – is changing the picture of human evolution and how our ancestors ...

A new study has revealed new insights into the mating patterns and preferences of early humans.