In the 1960s and 70s, a group of chimpanzees astonished the world by learning sign language. Only two remain and one question still lingers—was it worth it?

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.

Researchers have found two important building blocks of human speech in wild chimpanzees, one of our closest relatives. A pair of studies finds that chimp communication includes both rhythmic ...

Two new studies hint at the evolutionary roots of human language. The studies found that chimps use rhythmic structures and complex call combinations to communicate. This next story could not be ...

Two studies of wild chimps point to the evolutionary roots of human language. The studies found that chimp communication often relies on rhythmic... Chimps' rhythmic drumming and complex calls hint at ...