Researchers have found new data to support the "drunken monkey" hypothesis; the idea that human attraction to alcohol may be ...

A urinalysis shows that these apes ingest significant amounts of alcohol, providing new clues to how alcohol influences the animals’ behavior ...

This is the amazing moment a woman visiting Uganda Wildlife Conservation Education Center in Entebbe on February 14 shares some fruit with chimpanzees in their enclosure, but does so in a playful way.

In the 1960s and 70s, a group of chimpanzees astonished the world by learning sign language. Only two remain and one question ...

Along with memorial messages, the website is collecting donations to improve the breeding environment for 10 chimpanzees.

Kyoto University's Center for the Evolutionary Origins of Human Behavior has launched a memorial website for Ai, a chimpanzee known as a "genius " for her cognitive abilities, one month after she died ...

A study found that chimpanzees tend to take more physical risks as infants and young animals rather than as adolescents, like humans. The researchers hypothesize that the level of care humans provide ...

Laura M. MacLatchy receives funding from the Leakey Foundation, the National Science Foundation, the University of Michigan. Lauren Sarringhaus receives funding from the National Science Foundation, ...

A young chimp hangs from a branch with its mother's hand nearby at the Ngogo Chimpanzee Project at Kibale National Park in Uganda. ANN ARBOR—If you've ever spent time with a toddler, you might be ...

Evolutionary or comparative, knowing the rational capabilities of our closest evolutionary relatives is highly relevant. You can't compare an unknown to a known; you can't tell when traits evolved if ...

When Aristotle claimed that humans differ from other animals because they have the ability to be rational, he understood rational to mean that we could form our views and beliefs based on evidence, ...

Twenty-five years after the film's release, the chimps from "MVP" feel the lingering effects of a life in show business. Kelsea Petersen / The Athletic; Tim DiFrisco / Getty, Tom Pidgeon / Getty ...