Psychologists from Durham University, UK, have observed the behavior of 90 sanctuary-living apes to establish whether bonobos were more likely than chimpanzees to comfort others in distress. The study ...

Earth's biodiversity is in crisis. An imminent "sixth mass extinction" threatens beloved and important wildlife. It also threatens to reduce the amount of genetic diversity—or variation—within species ...

One of the curious things in the world of birds is why most species come in only one color form, while others come in many. We can start with the western tanager. Adult males all look the same. Adult ...

Juvenile bonobo embraces a distressed companion during post-conflict consolation. Psychologists from Durham University, UK, observed the behaviour of 90 sanctuary-living apes to establish whether ...