Evolution has given humans countless unique features, but one body part stands out as an unsolved puzzle: the human chin.

When you learned about the history of human evolution in school, there's a good chance you were shown one all-too-familiar image. That picture probably showed a conga line of human-like creatures, ...

Money is a powerful force in human life and affairs. Its very power gives pause to those who look to evolution for full explanations of human behavior, because money has not existed long enough to ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. The 43 rhesus macaque monkeys that escaped a ...

The 43 rhesus macaque monkeys that escaped a South Carolina medical lab this week are among the most studied animals on the planet. And for more than a century, they have held a mirror to humanity, ...