Chimpanzees are among the most intelligent primates, but that intelligence is paired with extreme physical strength and aggression. Documented attacks show that they can inflict severe and sometimes ...

Wild chimpanzees in Uganda are fighting a rare "civil war," which seems to have begun when a huge community divided, leading to sustained and deadly conflict between animals that had previously been ...

The largest group of wild chimpanzees known to scientists has permanently split in two. In a study published in Science, researchers from the University of Texas at Austin and other institutions ...

Many sources define “heroism” as acting with great courage or bravery—persevering despite risk and fear. Merriam-Webster adds that the bravery is shown “in fulfilling a high purpose or attaining a ...