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 ...

This chimpanzee shares nearly 98% of its DNA with humans, but behind its intelligence is a brutally powerful primate capable ...

One day in June 2015, primatologist Aaron Sandel was watching chimpanzees in Uganda’s Kibale National Park when he saw something that did not make sense. A small party of chimps from the Ngogo ...

For years, two sets of chimpanzees lived as one in Uganda’s Kibale National Park — grooming, interacting and patrolling their territory in a cohesive community. Then suddenly, one set charged the ...

The illicit great ape trade operates within the same forces destabilizing chimpanzee habitats: armed conflict, extractive ...

In the mid-1970s, more than a decade into her research on chimpanzees in Tanzania's Gombe National Park, the late and legendary primatologist Jane Goodall witnessed something that horrified her. The ...

Like with humans, it is not uncommon in the natural world for a group of animals to split apart and form their own independent groups. But what a new study in the journal Science depicts in the ...

A long-term study of the world's largest known community of chimpanzees has documented a rare event: what the researchers describe as the primate... What a chimpanzee 'civil war' can teach us about ...