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 ...

Chimpanzees exhibit surprising human-like behaviors, including using leaf-tearing as a flirting technique, mirroring adolescent human awkwardness. This courtship behavior, observed in various forms ...

In the 1960s and 70s, a group of chimpanzees astonished the world by learning sign language. Only two remain and one question ...

A recent study performed on chimpanzees demonstrates that chimpanzees possess cognitive flexibility similar to that of humans. When circumstances or evidence change, chimps appear to do the thing ...

Chimpanzees may look like smaller, hairier versions of humans, but when a full-grown chimp decides to throw its weight around ...

Rabies apparently makes apes smarter and the humans it’s mauling dumber.

These are FOX 2’s origional reports on the legal battles of Tonia Haddix, an exotic animal owner, in HBO’s “Chimp Crazy.” Explore the controversy surrounding her care of chimpanzees and the broader ...