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

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 ...

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 ...

Until now, it had been unclear how our laughter may have changed over millions of years of evolution, and how it might relate ...

In Cameroon’s Campo Ma’an National Park, western lowland gorillas were once a rare sight. If they heard a human voice, they fled. That reaction was driven by a long history of human-led activities, ...

By Will Dunham WASHINGTON, June 29 (Reuters) - There are many kinds of laughter. People may guffaw at a joke. They may giggle ...