The great apes are the closest living relatives to humans. We share over ninety-eight percent of our DNA with some species of these creatures, and it’s valuable to think of ourselves as being more ...

Marked by their kindness to strangers, bonobos are helping scientists solve the mystery of a particularly human quality: our altruistic nature. It's a cruel irony, then, that the very bonobos that are ...

I once told a friend about bonobos—"they're like chimpanzees," I said, "but they're peaceful and have sex all the time"—and he thought I was making them up. My computer doesn't think they exist either ...

For far too long, researchers believed humans were alone in their ability to engage in a sociological concept known as joint commitment. Joint commitment is the understanding that by working together ...