People love monkeys for their personalities and playful behavior, but that does not make them easy pets. Many species require intense care and are restricted by law. This video breaks down the nine ...

We aren’t the only animals that like to take care of other species. A new study finds that the roots of keeping a pet may stretch deep into our primate past. Stump-tailed macaques grooming a dog in ...

Gibbons, macaques and chimpanzees groom mice, chickens and other animals, hinting at ancient roots of human pet keeping ...