This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from new developments in ape cognition to an expanded perspective of a ...

The act of kissing may have started long before modern humans existed, a new modeling study suggests. Kissing stretches back roughly 21 million years, to the shared ancestor of humans and other large ...

Same-sex behavior is widespread in primates and may help strengthen social bonds and improve survival under challenging conditions.

Human evolution’s biggest mystery, which emerged 15 years ago from a 60,000-year-old pinkie finger bone, finally started to unravel in 2025. Analysis of DNA extracted from the fossil electrified the ...

As early humans spread from lush African forests into grasslands, their need for ready sources of energy led them to develop a taste for grassy plants, especially grains and the starchy plant tissue ...

An international study changes the view that exposure to the toxic metal lead is largely a post-industrial phenomenon. The research reveals that our human ancestors were periodically exposed to lead ...