The baby Angolan colobus monkey, known for its striking fur, was born Saturday, marking the first birth of the species at ...

Perth Zoo celebrates the birth of a Bolivian squirrel monkey as the social troop rallies around the curious and strong infant ...

Onesmas Ainebyona tracks chimpanzees in a Ugandan rainforest. He has built trust with a chimp leader named Jean. It took ...

Male bonobos are able to decipher confusing fertility signals from females, say scientists. Most female mammals are only ...