When we think of lead poisoning, most of us imagine modern human-made pollution, paint, old pipes, or exhaust fumes.

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

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

Fossils unearthed in Ethiopia are reshaping our view of human evolution. Instead of a straight march from ape-like ancestors to modern humans, researchers now see a tangled, branching tree with ...

Scientists digitally reconstructed the fossilized skull, which is between 940,000 and 1.1 million years old, to aid their research A human skull found in 1990 is now changing scientists' understanding ...

A digital reconstruction of a one-million-year old skull in China called Yunxian 2 suggested that our species started to emerge half a million years earlier than previously believed, according to a ...

Researchers at the University of Maine are theorizing that human beings may be in the midst of a major evolutionary shift—driven not by genes, but by culture. "Human evolution seems to be changing ...

Humanity may not be extraordinary but rather the natural evolutionary outcome for our planet and likely others, according to a new model for how intelligent life developed on Earth. Humanity may not ...

Human Evolution Never-before-seen cousin of Lucy might have lived at the same site as the oldest known human species, new study suggests Human Evolution Ancient Hobbits slowed down growth during ...

Researchers digitally reconstructed a crushed skull and concluded our species is 1 million years old, igniting a debate over the start date of Homo sapiens. He lived hundreds of thousands of years ago ...