Animals bring so much joy into our lives. If you're having a wonderful day, your dog will be thrilled to go run around in the park with you. And if you're having a terrible week, your kitty will be ...

Laughter is often called the most human sound. It carries joy, relief, connection, and sometimes even healing. For centuries, we believed that laughter belonged only to us, a special emotional ...

If you thought laughter was just a human trait, you couldn't be more wrong. Many animals have their own unique ways of expressing joy. If you've ever watched a dog with its tongue flopping out or seen ...

For many years, psychologists and behavioral biologists agreed that laughter was a unique emotional expression found only in humans. However, as the study of animal emotions expanded this idea was ...