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

But the study, published Thursday in the journal Science, shows “that whenever Neanderthals and modern humans have mated, ...

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

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