producing groups of dogs descended from two unique common ancestors. How and when this domestication happened has been a matter of speculation. It was thought until very recently that dogs were ...

Cats and dogs are believed to share a common ancestor, the miacid, a carnivoran. Carnivorans split into two suborders, cats ...

In lists of the most popular dog breeds and most popular cat breeds, you’ll often find flat-faced, or brachycephalic, animals ...

Think you know where dogs came from? How much they have in common with their ancestors? Or what they're really trying to tell you when they bark? Take this quiz and find out. Dogs are descended ...

Through intensive breeding, humans have pushed breeds such as pug dogs and Persian cats to evolve with very similar skulls and "smushed" faces, so they're more similar to each other than they are ...

ITHACA, N.Y. – Through intensive breeding, humans have pushed breeds such as pug dogs and Persian cats ... these two species – which shared a common ancestor but have been evolutionarily ...