Mild aggression and lethal violence evolved separately, according to research across 100 primate species. The study ...

Quick Take It was previously thought that chimpanzees were at least 2.8 times more aggressive than bonobos. Aggression may come down to location and the fight for food and other resources with species ...

Why the Latest Science Leads Us to a New Theory of Human Nature, by Jonathan Leaf (Bombardier, 320 pp., $21) Ever since Darwin, biologists have believed that much could be learned about human nature ...

Here's something that'll make your next giggle session feel a bit weird: scientists genuinely can't figure out if your laughter evolved from joyful chimp panting or from the threatening bared-teeth ...

Add Yahoo as a preferred source to see more of our stories on Google. Nothing brings a group of primates together, humans included, quite like a threat from outside. Bonobos are unique among primates ...

New research shows everyday aggression doesn’t lead to deadly violence, challenging long-held beliefs about human behavior.

Punch, the seven-month-old Japanese macaque whose attachment to a stuffed orangutan toy has made him a viral sensation, is at ...

Add Yahoo as a preferred source to see more of our stories on Google. Bonobos (Pan Paniscus) on a tree branch. The Swearing and Aggressive Bonobo ( Pan paniscus). Democratic Republic of Congo. Africa© ...

Nothing brings a group of primates together, humans included, quite like a threat from outside. Bonobos are unique among primates because they do not kill other bonobos, even during conflicts with ...

Bonobos (Pan Paniscus) on a tree branch. The Swearing and Aggressive Bonobo ( Pan paniscus). Democratic Republic of Congo. Africa© Sergey Uryadnikov/Shutterstock.com For decades, scientists believed ...