A study reveals chimpanzees exhibit evidence-based reasoning, challenging the belief that rational thought is uniquely human.

Chimpanzees change their choices when stronger clues appear and stay the course when only weaker hints came in.

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 ...

In the entire animal kingdom, no name is as synonymous to a specific species as British primatologist Dr. Jane Goodall is to chimpanzees. Goodall, 78, is best known for her endless research on wild ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

For something so admired, so synonymous with merit, the concept of intelligence is remarkably poorly understood. Our society operates on the assumption that people with greater intelligence deserve ...

Jane Goodall’s research at Gombe Stream National Park revolutionized our understanding of chimpanzee intelligence. In 1960, she observed a chimp named David Greybeard stripping leaves from twigs to ...

Chimpanzees are the animals with the most complex memory, apart from humans. They remember where and when ripe fruits are available, and use this information to decide which trees they will visit and ...

"Alpha" is a position of enormous strength and importance for chimpanzees. Before the war and the split of the Ngogo chimpanzees into two groups, Jackson was alpha of everyone, more than 200 ...

Janet the young chimpanzee is in forest school at the Tacugama Chimpanzee Sanctuary after tumultuous first year of life Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since ...

Chimpanzees are some of the smartest creatures on Earth, sharing about 98% of their DNA with humans. Their brains work in ...

The Indianapolis Zoo went on lockdown Friday morning after a female chimpanzee "was seen outside her exhibit" and later ...