Food is often the source of conflict among wild animals. Just watch any nature show where food is involved, and you’ll see tension and aggression often on full display. But this isn’t the case across ...

Laughter compared in humans and four great ape species Study involved chimps, bonobos, gorillas and orangutans Human laughter is faster and sensitive to ...

Kiss may last only a moment, but its evolutionary history could span millions of years. That simple gesture—today associated with love, friendship, family, and trust—may represent one of the oldest ...

Can animals play pretend? It took a tea party with a bonobo to find out. In a set of experiments, a team of researchers offered a bonobo named Kanzi invisible juice and grapes, presenting the tests as ...

Woolly mammoths (Mammuthus primigenius) were among the top prizes for human Ice Age hunters. The giant, 10,000-pound mammals ...