This, in a nutshell, is the heart of the stoned ape theory, or the idea that our impressive cognitive capabilities, like ...

We share more than 97% of our genetic makeup with primates such as chimpanzees, gorillas and orangutans. But that doesn’t ...

In Kingdom of the Planet of the Apes, it is clear that humans are not done fighting against the apes, which implies that the ...

A new study sheds light on the role of sexual behavior in apes, which has implications for understanding its evolutionary ...

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

Imagine the scene, around 3 million years ago in what is now east Africa. By the side of a river, an injured antelope keels ...

Bonobos, often seen as the “make love, not war” apes, are famous for using sexual behavior to smooth over conflicts. Chimps, ...

We don't just have sex to reproduce—new research suggests that using sex to manage social tension could be a trait that ...

A rare and deliberate signal between a mother chimpanzee and her daughter raises new questions about ape communication, culture and the meaning of sharing a language ...

“Bonobos and chimpanzees both live in very complex social structures with very rich social interactions that they have to ...

The modern Planet of the Apes film series, which launched with 2011’s Rise of the Planet of the Apes, is one of the more unlikely Hollywood success stories in recent memory. Breathing new life into ...