Words vanish the instant they’re spoken, and no skeleton can tell us when our ancestors first started talking. So how can ...

Great apes and humans all laugh with a steady, even rhythm, and a new study finds it has barely changed in 15 million years.

A laugh can feel spontaneous, messy, almost impossible to pin down. But deep inside that burst of sound, researchers found a ...

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 ...

Laughter is an everyday reminder that we humans are animals. In fact, when recorded laughter is slowed down, listeners can’t tell whether the sound is from a person or an animal. We throw our heads ...