Add Yahoo as a preferred source to see more of our stories on Google. Sixty years ago, scientists embarked on an experiment to teach American Sign Language to chimpanzees—and ultimately prove humans ...

New research suggests wild chimpanzees have developed a far more nuanced communication system than previously realized, using several mechanisms that combine their vocalizations to create new meaning.

New research on the rhythmic drumming and complex calls of chimpanzees could point scientists to the origins of language. Chimpanzees drum and make calls to communicate. Two new studies have found ...

Humans are known to invent private hand gestures. Chimps in the wild do, too, a new study suggests. By Brandon Keim Parents and their children, or people who know each other well, often share some ...

WASHINGTON - Scientists exploring the evolutionary origin of language have detected a vocal communication system among wild chimpanzees more complex and structured than previously known, with a dozen ...