Some massive breeds such as the St. Bernard completely lack wolf DNA, but the tiny Chihuahua retains detectable wolf ancestry ...

For more than a century, the disappearance of Neanderthals has been framed as a story of extinction, a vanishing act that cleared the stage for Homo sapiens. A new wave of genetic and archaeological ...

Scientists trace the origins of human kissing back over 20 million years to ancient apes who first showed gentle ...

A single Neanderthal skeleton pulled from a cave in the Rhône Valley has opened a window onto a branch of our cousins that ...

The study of an assemblage of Neanderthal human bones discovered in the Troisième caverne of Goyet (Belgium) has brought to ...

Learn more about the diseases Neanderthals endured and how their weakened immune system and encounters with humans made them ...

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

Kissing is more than just "mouth-to-mouth" touching, and the study doesn't really shed much light on why humans kiss the way ...

A metal that still frequently occurs today and is considered dangerous may have had a severely harmful effect on the health ...

A new study led by the University of Oxford has found evidence that kissing evolved in the common ancestor of humans and ...