Geneticists have a better understanding of how prehistoric pairings unfolded, with new research suggesting they were mostly between male Neanderthals and female humans.

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.

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 ...