Humans are the only species on Earth known to use language. They do this by combining sounds into words and words into sentences, creating infinite meanings. This process is based on linguistic rules ...

In the 1960s and 70s, a group of chimpanzees astonished the world by learning sign language. Only two remain and one question ...

Human communication is a complex weave of words and gestures — a mix of vocal and visual signals. "People use vocal and visual communication in a very rich and combined way," says Joseph Mine, a ...

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 ...

Wild chimpanzees often drum their limbs against the large roots of giant trees, sending out loud, booming sounds that resonate through the rainforest. Previous research identified the behavior as a ...