Directing an object on a screen to a target provided a tasty reward.

The familiar word elicits a twitch of the ears or swish of the tail, suggesting felines can distinguish their names from other words.

Nearly 50 years after its development, only a handful of creatures have passed the self-awareness exam. A new attempt with fish highlights a debate over the test’s use and meaning.

Goffin’s cockatoos customize tools to accommodate a specific need.

Louis Herman, who made seminal discoveries on dolphin cognition, has passed away at age 86.