Juvenile coho salmon have been documented in a tributary of the Russian River in Mendocino County for the first time since 1991, state officials announced Thursday.

Perth Zoo celebrates the birth of a Bolivian squirrel monkey as the social troop rallies around the curious and strong infant ...

Onesmas Ainebyona tracks chimpanzees in a Ugandan rainforest. He has built trust with a chimp leader named Jean. It took ...

One of my favorite activities is going to the zoo where I live in Knoxville when it first opens and the animals are most ...

The Los Angeles Zoo announced Tuesday that a new baby gorilla was born late last month, the fifth great ape birthed at the ...

Human faces are famously flatter than those of other primates. Neanderthals, by contrast, had prominent, projecting midfaces with broad noses and massive cheekbones, features often described as ...

The Ngogo chimpanzees of Uganda's Kibale National Park have long been known for violent clashes with neighboring groups, often resulting in deaths—a phenomenon sometimes described as "chimpanzee ...

When Aristotle claimed that humans differ from other animals because they have the ability to be rational, he understood rational to mean that we could form our views and beliefs based on evidence, ...

Chimps may revise their beliefs in surprisingly human-like ways. Experiments showed they switched choices when presented with stronger clues, demonstrating flexible reasoning. Computational modeling ...

A chimpanzee escaped its enclosure on Friday morning at the Indianapolis Zoo, forcing a lockdown for visitors for about two hours before the team managed to sedate and return her to the exhibit. The ...

Two chimpanzees sit in the Ngamba Island Chimpanzee Sanctuary in Uganda, where the study took place. Merryjack via Flickr under CC BY-SA 4.0 Whether you realize it or not, you spend a large chunk of ...

Twenty-five years after the film's release, the chimps from "MVP" feel the lingering effects of a life in show business. Kelsea Petersen / The Athletic; Tim DiFrisco / Getty, Tom Pidgeon / Getty ...