Chimpanzees, along with bonobos, are humans' closest living relatives. In fact, you may have heard that humans and chimps ...

Within-group cooperation (i.e., among closely related individuals), is to varying degrees observed among a significant number of animal species. However, peaceful encounters and cooperation between ...

In a world often viewed as uniquely human, the unbelievable intelligence of many animal species challenges the human ...

From the depths of the ocean to the skies above, many animals display surprising signs of intelligence that help them ...