A colony of African vervets in Dania Beach raises big questions about how humans can and should manage nonnative species.

Scientists have reported that a rare monkey species — once known to exist in two regions — is now only found in Vietnam's Khau Ca protected reserve. Tonkin snub-nosed monkeys are native to Vietnam.

Scientists have recently discovered a new primate species in Myanmar’s central forest. However, the Popa langur, named after nearby Mount Popa, is tragically already on the verge of extinction.

Fossils show that howler monkey ancestors were eating leaves 13 million years ago, shaping body size and evolution.

The 43 rhesus macaque monkeys that escaped a South Carolina medical lab this week are among the most studied animals on the planet. And for more than a century, they have held a mirror to humanity, ...

Some Central Florida residents got a surprise holiday guest ahead of Christmas. Monkeys have been sighted roaming around Orange City this week, with law enforcement officers stressing that the public ...

A new study shows macaque species with more tolerant social systems have larger brain regions linked to emotions and social signals.