A new study comparing 59 species of primates linked same-sex sexual behavior to scarce resources and more predators in ...

(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 ...

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 ...

Gay apes are a thing!

In humans, sexual behavior has a bigger purpose than just reproduction. It plays a role in social functions, from strengthening bonds to resolving conflicts. A new study has extended sexuality's ...

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 ...

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 ...

"One result of nine-month 'Primate project' held at the Center for Advanced Study in the Behavioral Sciences, Stanford, California, during 1962-1963. Organized by Sherwood L. Washburn and David A.

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, ...