Even at three-and-a-half months, the inquisitive Moke has already begun to explore his surroundings and approach the other members of his troop.

At Nearly Four Months Old, the Zoo’s Youngest Gorilla Has Begun to Show His Rambunctious Roots

Moke, the National Zoo’s first infant gorilla in nine years, enlivens the primate house with chatter and play.

This photograph of a Japanese macaque, who isn't showing its top teeth in a fear grimace or forced into human clothing, would be considered up to snuff.

Stock Photo Agencies Agree to Pull ‘Unnatural’ Images of Primates

PETA had lobbied against images that perpetuate harmful misconceptions about the animals

Extinct Gibbon Species Discovered in 2,000-Year-Old Chinese Tomb

It's believed the species represents a new genera of apes that may have died out just 300 years ago

Swabbing a chimp's nest.

Your Bed Is Dirtier Than a Chimp's

Human beds have far more bacteria associated with skin, saliva and feces than the nests of our primate cousins

Nisarg Desai observes wild chimps known as Sandi, Ferdinand and Siri in Tanzania.

What Can Chimpanzee Calls Tell Us About the Origins of Human Language?

Scientists follow and record chimps in the wild to find out if they talk to each other—and to fill in details about how and why language evolved in humans

In the minutes after giving birth, 15-year-old Calaya cradled her newborn in her arms.

First Infant Gorilla Born at the Zoo in Nine Years; Watch a Video of the Birth

Little Moke and his first-time mother Calaya are doing well

Many animals, like this red sphinx cat, are bred to be hairless. Other times, animal baldness is a symptom of stress and other factors.

Do Other Animals Besides Humans Go Bald?

From Andean bears to Rhesus macaques, non-human mammals have hair woes of their own

Scientists Successfully Clone Monkeys, Breaking New Ground in a Controversial Field

It is the first time that scientists have successfully cloned primates using a method known as somatic cell nuclear transfer

Humans Like Helpers, But Bonobos Prefer Bullies

A new study has found that bonobos gravitate towards characters that push and steal toys

To find the roots of an unlikely connection, researchers are untangling lemur microbiomes. Here, ring-tailed lemurs  feast at Serengeti Park in Hodenhagen, Germany.

What Lemur Guts Can Tell Us About Human Bowel Disease

Similarities between us and the cuddly primates could help us understand the origins of human illnesses—and treat them

Jane Goodall reaches out to touch hands with Flint, the first infant born at Gombe after her arrival.

New Jane Goodall Documentary Is Most Intimate Portrait Yet, Says Jane Goodall

The famed chimp researcher didn’t want yet another documentary made about her. <i>Jane</i> changed her mind

Gelada Baboon Reacts to Being Cheated on With Fury

If a gelada queen doubts her king's influence, she'll happily play the field. But when she gets caught, it's up to the alpha to fight for what's his

These Female Geladas Consider Replacing Their Lazy King

Braveheart is the undisputed alpha male of this band of gelada baboons. But he's been displaying a passive attitude toward his queen

Scientists can study stress in these petite primates with simply a few strands of their hair.

Stress Is Killing These Teeny Lemurs, and The Story Is In Their Hair

Sampling the fur of Madagascar’s gray mouse lemurs reveal a bevy of environmental pressures

Chantek, an Orangutan Who Knew Sign Language, Has Died at 39

The ape was raised by an anthropologist who taught him to clean his room, use the toilet and bargain for cheeseburgers

Anything for a snack.

Monkeys in Bali Swipe Tourists’ Belongings and Barter Them for Snacks

The behavior seems to have become a “cultural tradition” among local group of long-tailed macaques

Orangutans may not wean for years, a new study shows.

Wild Orangutans Can Breastfeed for Over Eight Years

The primates take a while to wean their young

Tarsius spectrumgurskyae

Two New Species of Googly-Eyed Tarsiers Discovered in Indonesia

The tiny tree dwellers are the 80th and 81st primates discovered since 2000

You can't sit with us. You smell like poo.

Gut Check: Mandrills Sniff Poop to Avoid Peers With Parasites

Researchers have documented one of the first instances of social avoidance in a non-human animal

The challenges of finding fruit may have driven the evolution of bigger brains in our primate ancestors

What Really Made Primate Brains So Big?

A new study suggests that fruit, not social relationships, could be the main driver of larger brains

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