A viral video of a young gorilla bursting into laughter-like sounds while being gently tickled by a familiar human caretaker ...

A laugh can feel spontaneous, messy, almost impossible to pin down. But deep inside that burst of sound, researchers found a ...

I was always told, and more than once, not to talk with a full mouth. Of course, I didn't always listen, but that seems to the rule for numerous humans for any number of reasons. However, if we're at ...

Chimpanzees, bonobos, gorillas, and orangutans all produce laughter, but scientists have long wondered how those vocalizations changed over millions of years and whether they could reveal anything ...

Humans and great apes have been giggling in similar ways since branching off the evolutionary tree, a new study suggests.