The bearded capuchins of northeastern Brazil typically eat plant-based foods, but they turn to small vertebrates when those ...

Biologists, zoologists and psychologists have been trying to trace the origins of human language for centuries. One ...

Gibbons focus strongly on eyes, especially other gibbons’ eyes, offering clues about the evolution of primate social ...

Scientists long wrote off the aye-aye as a solitary oddity, a nocturnal Madagascan primate with rodent teeth and a taste for ...

The evolution of the primate brain does not appear to have relied first on the autonomous growth of the frontal lobe, often ...

A slew of fossils from Earth's earliest primates have been discovered in southwestern Wyoming. Scientists say the tiny ...

We aren’t the only animals that like to take care of other species. A new study finds that the roots of keeping a pet may ...

Humans are the only primates with true, everted lips — a biologist unpacks the competing theories for why, from feeding and ...

Reconstructing the origins of our species requires many kinds of evidence: fossil and archaeological evidence like bones and artefacts, but also molecular evidence such as ancient DNA, and data on ...

Long-tailed macaques face extinction as Charles River Laboratories profits from exploiting these intelligent primates for ...

Learn how capuchin monkeys hunt when fruit runs low, which parts of their prey they eat first, and what this may reveal about ...

Researchers observed and confirmed with measurements that wild sooty mangabey monkeys in an Ivory Coast forest display foot bone flexibility that facilitates vertical climbing up skinny tree trunks to ...