A deeply disturbing incident involving a rhesus macaque and a baby becomes the center of a wider look at some of the world’s deadliest monkeys. What makes the story so shocking is how it pushes these ...

A baby howler monkey clung to the back of an older male monkey, its tiny fingers grasping fur. But they’re not related and not even the same species. Subscribe to read this story ad-free Get unlimited ...

While most of the world’s 300+ monkey species are harmless plant-eaters, a few larger and more aggressive species are capable of inflicting serious harm. From city-dwelling rhesus macaques to powerful ...