Fossilized human teeth spanning two million years of evolution had shockingly high contents of lead, which may have been the ...

Scientists found that ancient lead exposure shaped early human evolution. The toxin may have played a surprising role in the development of modern cognition and language. An international team of ...

Across the world, humans have told stories of creatures so strange and powerful they blur the line between myth and reality.

Learn more about Ardipithecus ramidus and how their ankle bone paints a better picture of how our ancestors transitioned from ...