Scientists examining traces left behind by early humans continue to find evidence that refuses to stay neatly in place. New laboratory work on ancient hunting tools points to decisions made far ...

New research challenges a key archaeological site in Chile, raising fresh questions about when humans first arrived in the ...

An archaeologist just overturned a major piece of evidence that humans reached South America before most of North America.

Digital reconstruction of a crushed skull from an ancient human relative could rewrite the timeline of human evolution, researchers said. A cranium dubbed Yunxian 2 was found in the Yunxian region of ...

Add Yahoo as a preferred source to see more of our stories on Google. Mosquitoes have existed far longer than humans, but evolved to feed off of their blood. - Tang Chhin Sothy/AFP/Getty Images ...

Early humans named Homo erectus reached East Asia 600,000 years earlier than thought, reshaping the timeline of hominin ...

Add Yahoo as a preferred source to see more of our stories on Google. Evidence from Sulawesi shows early human relatives crossed deep ocean waters more than a million years ago—centuries before modern ...

ATLANTA — Mosquitoes haven't always had a taste for human blood — partly because the tiny yet dangerous insects have been around a lot longer than humans. Pinpointing when mosquitoes shifted their ...