This is the adorable moment a deaf three-year-old began teaching her 17-month-old siblings sign language. In the cute footage, Amelia Morales can be seen flicking through a variety of animals on her ...

KUTV — American Sign Language (ASL) has helped people communicate who aredeaf and hard of hearing and it is also helping socialize a homeless, deaf dog named Ludwig. Ludwig, a pitbull terrier-like dog ...

WOODSIDE, Calif. (AP) — Koko, the gorilla who mastered sign language, raised kittens and once playfully tried on the glasses of the late actor Robin Williams, has died. She was 46. The Gorilla ...