Why do no two human faces look quite the same? Although we all follow the same biological blueprint, our features—the curve ...

Subtle genomic variations between humans and Neanderthals provide clues to how DNA shapes our facial features.

Neanderthals are usually seen as brutish and primitive, but research now suggests our ancestors kissed often - and even with ...

Researchers studying animal behaviour say mouth-to-mouth kissing likely appeared in the common ancestor of humans and great apes more than 21 million years ago.

Humans aren’t the only ones who kiss—monkeys do it, polar bears do it, and now research suggests that the practice may go ...

It's long been believed that the ancestors of today's Indigenous Australians, the Sahul people, first reached the continent ...