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 ...

Welcome to the American Sign Language (ASL) program, housed in the Department of Speech, Language, and Hearing Science at the University of Colorado! We are a vibrant, multicultural, diverse community ...

Correction: The original video with this piece did not include captioning for some of the American Sign Language seen on screen. The video has been updated to include ...

BROWARD COUNTY, Fla. — Before they can even spell their own names, some kids are already learning how to sign them. At one preschool, sign language is part of the daily curriculum, helping even the ...