Outbreaks of violence between chimpanzees have sparked fierce debate online about the origins of war in humans ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. An experimental study of modern chimpanzees has documented patterns of behavior that seemingly mirror those of our ...

New research shows that chimpanzees regularly communicate with each other through rapid back-and-forth gestures, similar to how humans talk. Reading time 2 minutes Chimpanzees and humans are even more ...

Uganda chimp group splits into rival factions, unleashing deadly coordinated attacks that resemble human warfare patterns.

"The way they ‘studied' it there, turning it over to observe it from different angles, was amazing." ...

Chimpanzees and humans split from a common ancestor just 4 million years ago - a much shorter time than current estimates of 5 million to 7 million years ago, according to a study published on Friday.

An international team of 67 scientists, led by a top genome researcher in Seattle, may have moved us a few steps closer toward figuring out precisely what in the genetic code makes us human -- or, at ...