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 ...

Sign language is a language you express by using your hands and face instead of spoken words. It’s most commonly used by people in the Deaf community. How many types of sign language are there? There ...

Performed simultaneously in sign language and sung English, a Los Angeles revival of the Green Day musical finds new ways to communicate rage and angst. Otis Jones IV (signer, on the right) and James ...

Ensuring d/Deaf children become bilingual in sign language and English should be a key priority for policymakers and teachers because this plays an important role in their education, a new study says.