Every evening, as they move from place to place through the forest, chimpanzees stop to build a nest – most often in a tree – to sleep in. Using a selection of branches, leaves and twigs, they create ...

For decades, the 200 Ngogo chimpanzees in Kibale National Park, Uganda, lived what seemed a calm and normal existence. Males and females hunted together, groomed each other and went on patrols through ...

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 ...

Researchers have documented a permanent split between the largest-known group of wild chimpanzees, which erupted into a lethal civil war over the past several years — findings that could help ...

They’re going apes – – t. A scenic Ugandan jungle has become a bloody battlefield as two rival chimpanzee clans wage what could be the first recorded primate “civil war.” The ongoing simian conflict ...

Two once-harmonious groups of chimpanzees in Uganda’s Kibale National Park suddenly became estranged and have spent the past eight years engaged in a bloody conflict, according to a study published ...

A rare and deadly “civil war” has broken out between two factions of chimps in Africa, according to new research. The dispute erupted in what was once a cohesive group of about 200 chimps whose ties ...

"I've known many of them for their entire lives. And now I'm watching them kill each other," says one researcher. Reading time 4 minutes For two decades, a community of chimpanzees in Uganda thrived ...

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. Subscribe to read this story ad-free ...

In an attempt to understand our own fascination with the shiny minerals, researchers gave some to chimps. A chimp named Toti attentively observes a quartz crystal at a rehabilitation facility in Spain ...

Crystals in our minds The study did not examine whether some chimps were more interested or laid more claim to crystals than others, although future studies should take chimp personalities into ...