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

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

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.

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 ...

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 ...

Human faces are famously flatter than those of other primates. Neanderthals, by contrast, had prominent, projecting midfaces ...

The human side of the room was crowded with computer monitors, TVs, video cameras, food dishes and machines that dispense treats to the chimps. The chimp enclosures, which look like oversize ...

A groundbreaking ten-year study on the behavior of chimpanzees, reported in the journal Current Biology, reveals that humanity's closest living relative expresses a propensity for human-like warfare.

If you've had an annual checkup recently, your doctor probably ran a blood test to look at things such as your cholesterol levels. Researchers are also interested in the levels of cholesterol and ...

Chimpanzees naturally ingest surprising amounts of alcohol from ripe, fermenting fruit. Careful measurements show that their typical fruit diet can equal one to two human drinks each day. This ...