Credit: Austen Deery/Dr. Elodie Freymann/Cover Images Scientists studying chimpanzees in Budongo Forest, Uganda, have observed them wiping their bum using leaves as a form of natural toilet paper. The ...

World Chimpanzee Day highlights why our closest living relatives are vital to science, forests, and understanding human ...

Scientists have identified dozens of previously overlooked cultural behaviors in wild chimpanzees, suggesting that the great ape's culture extends far beyond complex skills like tool use. In a single ...

Aaron Sandel can pinpoint when it all started. The codirector of the Ngogo Chimpanzee Project had been observing a group of apes on June 24, 2015, in Uganda’s Kibale National Park, where the project ...