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

WASHINGTON, Feb 26 (Reuters) - When Homo sapiens trekked out of Africa, our species encountered Neanderthal populations ...

Most people with non-African ancestry carry roughly 1–4% Neanderthal ancestry spread across their genomes, a legacy of contact after modern humans expanded into Eurasia. But the X chromosome, one of ...