Chimpanzees share 98.8% of our DNA, making them the closest living relatives humans have. They use tools, form political alliances, communicate in complex ways, and pass knowledge between generations.

Humans often use weapons when hunting or defending themselves. However, we are not the only animals that create our own hunting tools. Chimpanzees in southeast Senegal have exhibited this behavior. In ...

Monkeys hunt for meat — including snakes and lizards — when fruit and vegetables are scarce, reveals new research. The switch to carnivore behavior when their favored food is in short supply ...