Rachel Dolezal, who legally changed her name in 2016 to Nkechi Amare Diallo, looks different — again. The former president of ...

It’s the strongest evidence yet that we share the planet with another rational being,” said Duke University evolutionary ...

Amy Poehler has revisited an incident involving a chimpanzee for one of her Saturday Night Live (SNL) skits in 2005. She said ...

The San Francisco Zoo is soon saying goodbye to its three chimpanzees -- Twiggy, Gombus, and Michael -- as it plans to ...

Engelmann says that from the beginning of the Western intellectual tradition, people thought that only humans are rational.

The San Francisco Zoo announced Thursday it will say goodbye to its three remaining chimpanzees as it temporarily shutters ...

How can we compare human and machine intelligence when we can’t decide which species – cats or dogs — is more intelligent?

Chimps may revise their beliefs in surprisingly human-like ways. Experiments showed they switched choices when presented with stronger clues, demonstrating flexible reasoning. Computational modeling ...

A survey measuring the ethanol levels in fruits consumed by chimpanzees suggests that these animals are regularly exposed to alcohol. Researchers from the, Berkeley, conducted the first direct measure ...

A new study shows chimps can weigh evidence, draw rational conclusions and even grasp what they don’t know—challenging ...

Archaeological records show that communities have had far more faith in the lip-lock than, say, evolutionary biologists do.

Our ancient primate relatives—including Neanderthals—may have enjoyed a nice peck on the lips. But researchers still don’t ...