The researchers also found that Neanderthals had far more human DNA on their X chromosomes than expected. This confirms the ...

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.

A new study found that when Neanderthals and early humans interbred — a known phenomenon between the two species — most pairings appear to have involved Neanderthal males and human females. This may ...

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