The spider monkey’s tail is prehensile, which means “capable of grasping.” It is generally longer than the animal’s body and ...

Learn more about these big-nosed monkeys. Find out why scientists think these primates have such outsized organs.

The prominent noses of male proboscis monkeys, long thought to be merely visual signals, play a crucial role in vocal ...

Discover interesting facts about the origins of primates, what they eat, and if they have thumbs.

In an experiment with science-fiction implications, two neuroscientists say they have managed to introduce information directly into the premotor cortex of monkeys.