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

New research on chimpanzees is forcing scientists to rethink where the line between human and animal minds really lies. In ...

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

Words do not language make. Chimpanzees may well routinely master more words and phrases than other species, but a 3-year-old human has far more complex and sophisticated communication skills than a ...

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

Chimpanzees have more complex rational thinking than previously thought. The study showed that primates reconsider their decisions when they receive stronger evidence, a skill characteristic of human ...

A deadly conflict between rival groups of chimpanzees in Uganda led to comprehensive victory and a bounty of territory and ...

Researchers at the University of College London recently undertook a massive study to better understand chimps. The team analyzed data from fecal samples of 828 wild chimpanzees across 30 populations, ...

New research from a team of cognitive scientists and evolutionary biologists finds that chimpanzees drum rhythmically, using regular spacing between drum hits. Their results show that eastern and ...

AMES, Iowa – Iowa State University Anthropology Professor Jill Pruetz long suspected that man-made changes influenced the aggressive behavior researchers have observed among chimpanzees. However, her ...