There are few things more joyful, if occasionally nerve-wracking, than having a pet in your home. And plenty of people agree.

City-dwelling raccoons are physically changing as they adapt to human environments. They are, however, still wild animals.

Big, soulful eyes, a wagging tail, and playful cuddles are a pet parent’s ultimate weakness. These heartwarming traits are not by chance: Shaped by domestication, these behavioral and anatomical ...

Modern dogs, classified as Canis lupus familiaris, share a common ancestor with the gray wolf. Genetic studies have shown ...

Since the Middle Ages, the size of wild and domestic animals has largely been shaped by human selection: domestic animals are increasingly larger; wild animals increasingly smaller. During the 7,000 ...