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

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

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

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

Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis occurred, where life emerged from non-life. Imagine a hot, watery mix of ...

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

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

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

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

Scientists find genetic mutation, millions of years ago. Oct. 12, 2011 — -- About three million years ago human predecessors embarked on a new course that would forever alter the evolution of our ...