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

Long ago, Neanderthals and modern humans interbred. But among Neanderthals, their modern human blood came mostly from their ...

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

Geneticists have a better understanding of how prehistoric pairings unfolded, with new research suggesting they were mostly ...

When ancient humans mated, dad was a Neanderthal, mom was Homo sapiens.