Great apes aren't so different from humans when it comes to certain social interactions, they too enjoy making funny faces, poking one another, randomly pulling hair and other forms of teasing, ...

(CNN) — Researchers have found a new way in which great apes are similar to humans: they tease each other. A new study by an international team of scientists has documented “playful teasing” in ...

Babies playfully tease others as young as eight months of age. Since language is not required for this behavior, similar kinds of playful teasing might be present in non-human animals. Now cognitive ...

Add Yahoo as a preferred source to see more of our stories on Google. Orangutans, chimpanzees, bonobos and gorillas all engage in different forms of playful teasing, researchers report in the journal ...

While laughter is often considered uniquely human, tied to language and sense of humor, all great apes produce remarkably similar vocalizations during play that share evolutionary origins with human ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Some great apes ...

While kissing might feel like one of the most natural things in the world, this familiar behavior is quite mysterious—various animals also kiss, despite a lack of practical benefits and a real risk of ...

The stereotype of violent chimpanzees and peaceful bonobos may be wrong, according to new research comparing aggression in both apes.

Not long ago, comparative psychologist Christopher Krupenye and a colleague visited the Leipzig Zoo in Germany, where both had worked on a research project several years before. The 145-year-old zoo ...

Being a class clown is something that humans likely inherited from their ape ancestors millions of years before the first banana-peel prank, a new study claims. Everyone's seen kids tease one other, ...