Add Yahoo as a preferred source to see more of our stories on Google. Scientists now recognize more than a dozen species in the Homo genus. So what, exactly, was the first human species? The answer, ...

Scientists once believed they could pinpoint the moment when humans first appeared. But as new fossils have filled in our evolutionary history, that defining moment has begun to disappear – replaced ...

This is an extract from Our Human Story, our newsletter about the revolution in archaeology. Sign up to receive it in your inbox every month. When writing headlines for stories about human evolution, ...