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

Lead has been affecting humans for over 2 million years. Scientists believe that this metal could affect brain development, ...

Lead exposure remains a public health issue around the world, even after decades of remediation efforts. According to the ...

Long before industry, our ancestors faced toxic metals, including lead. This exposure may have shaped the evolution of human ...

For more than a century, scientists have been piecing together the puzzle of human evolution, examining fossil evidence to ...

Learn more about the differences between Lebanese and Italian tools, which contradict the theory that modern human migrations ...

A new study suggests that exposure to lead may have limited brain and language development in Neanderthals, but a gene ...

A million-year-old skull from China, Yunxian 2, reshapes our understanding of human origins and ancient human relatives.

Our brains evolved for complex thought and language - but the same genes that made us smarter may have increased mental illness risk.

Ancient humans crossing the Bering Strait into the Americas carried more than tools and determination—they also carried a ...

A fossilized skull discovered in central China and dated to roughly 1 million years old has upended the timeline of human evolution. In a study published in the journal Science on Thursday, ...

Researchers say the analysis suggests Homo sapiens may have emerged at least half a million years earlier than previously thought. The skull, known as Yunxian 2, was discovered in Hubei Province ...