This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from new developments in ape cognition to an expanded perspective of a ...

Most of us do it, be it romantic, familial, friendly or formal, but kissing among humans and where and how it originated is still hotly debated among historians and anthropologists. Now a new theory ...

As early humans spread from lush African forests into grasslands, their need for ready sources of energy led them to develop a taste for grassy plants, especially grains and the starchy plant tissue ...