A brief look into the surprising species that have shown playful, friendly behavior toward humans — and why these interactions remain rare but fascinating.

Ever imagined a wild animal trying to play tag with a human with no dangerous intent? Turns out, it’s not as rare as you’d ...

Most of us do it, be it romantic, familial, friendly or formal, but kissing among humans and where and how it originated is still hotly debated among historians and anthropologists. Now a new theory ...

For some mental processes, humans and animals likely follow similar lines of thinking. Catherine Falls Commercial/Moment via Getty Images Can a monkey, a pigeon or a fish reason like a person? It’s a ...

Human beings are animals, evolved from ancestral great apes. We are part of nature and yet unique in many ways. It was once thought that humans were the only animals with culture: the learned rather ...

A study suggests that humans often misinterpret a pet’s signals; even purring doesn’t guarantee a contented cat. By Anthony Ham What is the meaning of a cat’s meow that grows louder and louder? Or ...

Researchers have found that the genes linked to certain behavioral traits in golden retrievers, such as trainability and fear ...