Gorillas may have greater self-awareness than scientists previously thought. A new study finds that gorillas perform just as well as chimpanzees in tests that require awareness of their own bodies. A ...

Analyzing your own thoughts might seem healthy, but a new review shows that deep introspection is actually associated with ...

For decades, scientists used a mirror experiment to explore whether animals could recognize themselves. In that test, researchers placed a mark on an animal’s body where it could only be seen in a ...