Dominant baboons sleep less at night, as social rank keeps leaders more alert and prone to nighttime disruptions.

She approached chimps as she did people: on their own terms. By Sam Anderson ...

A female chimpanzee escaped her enclosure at the Indianapolis Zoo on Friday morning, prompting a lockdown and swift emergency response from zoo staff. The incident occurred at around 10 a.m. on Nov.

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 ...

INDIANAPOLIS (WISH) – The Indianapolis Zoo said Friday that an escaped chimpanzee was safely captured without any visitors, staff, or the chimp being hurt. The female chimpanzee will be returned to ...

A chimpanzee got out of its enclosure at the Indianapolis Zoo, forcing the zoo to be placed on lockdown.It all unfolded around 10 a.m. when the zoo said a female chimpanzee was seen outside her ...

A chimpanzee escaped its enclosure and was on the loose at the Indianapolis Zoo Friday morning, but the animal was later located and returned to her exhibit, the zoo said. "At approximately 10am, a ...

Jake Oakman, senior vice president of external relations at the Indianapolis Zoo, said a female chimpanzee was seen outside of the International Chimpanzee Complex around 10 a.m. Nov. 14. Oakman said ...

Mother of two's body pulled from canal after she failed to pick her daughters up from babysitter What Happened To Bob Crane From "Hogan's Heroes"? Married to a woman for 8 months, Kristen Stewart ...

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 use a variation of the "scientific method" — discarding prior beliefs if convincing new evidence comes along to change their minds, research shows. When you purchase through links on our ...