Researchers say that while territorial disputes between animal groups are well known, wars within such groups are extremely ...

Chimpanzees that had once formed a cohesive community in Uganda split into factions and turned violent, according to a new ...

The Ngogo chimpanzees in Uganda have divided themselves into two main factions, and dozens of deaths have been recorded since ...

Jane Goodall, the world's most famous primatologist, accomplished an astounding feat in her 91 years of life: She fundamentally changed the world's view of what it means to be human. At the age of ...

Researchers have documented a permanent split between the largest-known group of wild chimpanzees, which erupted into a ...

Deep in the rainforests of Uganda, scientists have watched the largest known group of wild chimpanzees (Pan troglodytes) turn ...

The conflict is unfolding in Uganda's Kibale National Park, where a once-unified group has split into rival factions that ...

"I've known many of them for their entire lives. And now I'm watching them kill each other," says one researcher.

For twenty years, researchers watched the Ngogo chimpanzees of Uganda hold hands, groom each other, and share the forest as a single, massive community of nearly 200 apes. Then, something happened ...

The researchers pointed out that the chimps tested in the study are used to contact with humans and familiar with objects not found in the natural world, so future experiments should be carried out ...

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 ...

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 ...