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

Punch the macaque, once known for being bullied, steps in during a scuffle between other monkeys, showing surprising ...

Proboscis monkeys, endemic to Borneo, are threatened by habitat destruction, forest fires and hunting. But until two decades ago, trade wasn’t a threat to the CITES-listed species, which is ...