Around 2.3 million years ago, ancient human species such as Homo rudolfensis and Homo erectus suddenly changed their diets.

What medieval skeletons tell us about long-term health and life expectancy - Researchers examined over 270 skeletons to ...

Scientists found the 500-million-year-old fossil of a "penis worm" in the Grand Canyon—and reconstructed how the creature would have used its strange mouth to feed.

Scientists have discovered the oldest direct evidence of betel nut chewing in Southeast Asia by analyzing 4,000-year-old ...

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 ...

The findings come from a team led by researchers at Dartmouth College, and offer the human fossil record’s first known ...