The human capacity for rational thinking makes us unique among the animal kingdom, according to wise, old Aristotle. However, ...

A similar disorganized attachment can occur in captive chimpanzees, particularly orphans who are raised by humans. A lack of a permanent caregiver can lead to this more fearful behavior. However, in ...

New research suggests chimpanzees can rethink their choices when new evidence emerges, a hallmark of human-like reasoning. Credit: Shutterstock A new study published in Science shows that chimpanzees ...

With an open mind, Goodall discovered that chimpanzees produce tools, form lasting social bonds, and pass on knowledge across ...

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

Researchers have found two important building blocks of human speech in wild chimpanzees, one of our closest relatives. A pair of studies finds that chimp communication includes both rhythmic ...

Humans are not the only species to combine concepts to build more complex meaning, a new study found. Bonobo chimpanzees combine calls in a manner similar to how humans structure words to make phrases ...

Grunts, barks, screams and pants ring through Taï National Park in Cȏte d’Ivoire. Chimpanzees there combine these different calls like linguistic Legos to relay complex meanings when communicating, ...

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Chimpanzees in Michigan are not considered “persons” with human rights, according to the state’s Court of Appeals. That means the owners of the DeYoung Family Zoo in the Upper Peninsula will not need ...

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