The surprisingly cruel Primate offers a simple premise, and unnerving execution.

LOS ANGELES (AP) — Some privileged nature footage from the African rain forest is dishonored by deeply silly narration in "Chimpanzee," which follows a particular group of chimps in the Ivory Coast's ...

A young chimp swings through the jungle canopy at the Ngogo Chimpanzee Project at Kibale National Park in Uganda. Image credit: Kevin Lee/Ngogo ...

Female chimpanzees that forge strong, grooming-rich friendships with other females dramatically boost their infants’ odds of making it past the perilous first year—no kin required. Three decades of ...