The FINANCIAL — According to University of California, human laughter is common, but it’s a somewhat mysterious part of our evolution. It’s clear to evolutionary scholars that we laugh as a part of ...

Laughing is one of the best feelings in the world. It's a sign of happiness and it has some serious health benefits to boot. We tend to associate laughter with humans and possibly primates, but we're ...

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 ...

If you tickle a rat's belly, it squeals with laughter. However, we are unable to perceive this laughter as its frequency, around 50 kHz, exceeds the range of human hearing. Neuroscientist Jaak ...

Human laughter may trace its evolutionary beginnings to vocalizations made during play. This type of "laughing" is found in many mammals and even in some birds.

Animals have an uncanny ability to make us laugh, whether it’s a cat pretending to be a loaf of bread or a dog looking guilty ...