Lead exposure may have spelled evolutionary success for humans—and extinction for our ancient cousins—but other scientists ...

Lead poisoning isn’t just an industrial-age problem. A new study reveals our ancestors, including Neanderthals, were exposed ...

An international study changes the view that exposure to the toxic metal lead is largely a post-industrial phenomenon. The ...

Several hominid species were consistently exposed to lead for almost two million years, which may have given modern humans a ...

Long before factories, mines, and cars filled the air with pollution, our distant ancestors were already living with a silent ...

Ian Towle & Luca Fiorenza/The Conversation For decades, small grooves on ancient human teeth were thought to be evidence of deliberate tool use – people cleaning their teeth with sticks or fibers, or ...

Because of the ancient interbreeding, many people today from Asia and some other places carry DNA from Denisovans. The findings may change the understanding of the path taken by human evolution in the ...

During a remarkably warm period 400,000 years ago, early humans living near what is now Rome regularly butchered massive straight-tusked elephants, using both their meat and bones as vital resources ...

Researchers digitally reconstructed a crushed skull and concluded our species is 1 million years old, igniting a debate over ...

The findings have the potential to resolve the longstanding "Muddle in the Middle" of human evolution, researchers said.