After five weeks of development, a human brain organoid (left) is roughly twice the size of those from a chimpanzee  (top right) and a gorilla (bottom right).

Experiments Find Gene Key to the Human Brain's Large Size

The single gene identified by the study may be what makes human brains three times larger than our closest great ape relatives at birth

As they have gotten more comfortable with screen-time, the chimps have shown human-like behaviors like bringing over food like nuts to snack on as they watch.

Czech Chimpanzees Use Video Calls to Fight Lockdown Blues

Zookeepers at Safari Park Dvůr Králové and a zoo in Brno set up daily video calls for their chimpanzees

The vaccine developed by the veterinary pharmaceutical company, Zoetis, was provided to the San Diego Zoo after they requested help in vaccinating other apes when several gorillas tested positive for COVID-19 in January.

San Diego Zoo's Great Apes Receive First Experimental Covid-19 Vaccine for Animals

Five bonobos and four orangutans were treated with a synthetic form of the virus

ENGS peaks in March during the dry season and researcher’s suspect that something within the chimps’ biology or in their environment is prompting the disease

The Mysterious Cause of a Deadly Illness in Sanctuary Chimps Revealed

Researchers identified the 100 percent fatal pathogen as epizootic neurologic and gastroenteric syndrome or ENGS

A team of scientists hand-raised eight ravens and tested their cognitive abilities every four months since they hatched.

Four-Month-Old Ravens Rival Adult Great Apes in a Battle of the Brains

In a series of cognitive tests, the corvids surprised scientists with their ability to interact with each other and with the world around them

Chimps relax at the Sweetwaters Chimpanzee Sanctuary at Ol Pejeta Conservancy in Kenya. Humans can transmit many diseases to chimps, orangutans and their kin.

How Researchers Are Protecting Great Apes From Covid-19

Humans who study and care for the primates are taking precautions to prevent the spread of the coronavirus and its unknown effects

Female Hainan gibbons are bright yellow with black patches while males are completely black.

Rope Bridges Save the Most Endangered Primates From Making Death-Defying Leaps

After an avalanche destroyed part of the rainforest, a bit of infrastructure connects the gibbons to their favorite fruit-filled trees

A camera trap image of a Cross River gorilla with multiple babies, taken in the Mbe mountain region of Nigeria on June 22, 2020

Images Offer a Rare Glimpse of Cross River Gorillas With Their Babies

The photos show a group of the animals, which were once presumed extinct, with infants of varying ages—a promising sign for the subspecies

Kanzi, 39, has used lexigrams to communicate with researchers since age 2.

What Can Bonobos Teach Us About the Nature of Language?

A famed researcher's daring investigation into ape communication—and the backlash it has caused

A mountain gorilla in Uganda

COVID-19 Could Threaten Great Ape Populations, Researchers Warn

No SARS-CoV-2 infections have yet been detected in our closest living relatives. But there is precedent for viruses jumping from people to other great apes

The remarkably complete skull of a human ancestor of the genus Australopithecus

Here's What 2019 Scientific Discovery Taught Us About Our Human Origins

Six studies rocked the anthropological world from a new branch of the human family to a face only an Australopithecus could love

Scientists Now Know Where the Largest Ape to Ever Exist Sits in Primate Family Tree

Proteins from a 1.9 million-year-old molar show that the 10-foot-tall 'Gigantopithecus' is a distant relative to modern orangutans

The 21 bones of the most complete partial skeleton of a male Danuvius guggenmosi.

New Ancient Ape Species Rewrites the Story of Bipedalism

<i>Danuvius guggenmosi</i>, a “totally new and different” species of ape, would have moved through the trees using its forelimbs and hindlimbs equally

Bonobo Mothers Interfere in Their Sons' Monkey Business

They find suitable mates for their offspring and chase away intruders once the mating begins, boosting fertility rates

These Ecologists Borrowed Tricks From Astrophysicists to Count Endangered Orangutans

The thermal-imaging expertise of astronomers helped researchers find the great apes in the hot, humid jungles of Borneo

A juvenile male gorilla lingers beside his mother's body

Gorillas Appear to Grieve for Their Dead

Scientists found that expressions of grief even extended beyond members of the same peer group

Humans Are Destroying Chimpanzee Culture

A new study has found that chimps living in areas of high human impact are 88 percent less likely to engage in certain learned behaviors

Homo neanderthalensis, the earlier relatives of Homo sapiens, also evolved to shed most of their body hair.

Why Did Humans Lose Their Fur?

We are the naked apes of the world, having shed most of our body hair long ago

Orangutan mothers waited an average of seven minutes before alerting infants to a potential predator's presence

Orangutans Are the Only Non-Human Primates Capable of ‘Talking’ About the Past

Mothers waited several minutes before alerting offspring to potential predators, pointing toward capacity for displaced referencing

Ancient Ape Was Just the Size of a House Cat

12.5 million-year-old teeth found in Kenya belonged to a species that ate leaves, but was likely outcompeted by an explosion of monkeys

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