Some orcas hurl their massive bodies onto the shore to snatch sea lion pups from the beach, a calculated gamble that can go ...

A grieving dolphin mother carrying her lifeless calf has stunned observers, raising profound questions about what animals ...

Why do two individuals faced with the same information sometimes make completely different decisions? It is a question made famous by Nobel laureate Daniel Kahneman, whose book "Thinking, Fast and ...

Orcas can have brains up to five times heavier than human brains, but scientists say brain size alone is a poor measure of ...