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 to ...

Dogs are our companions, but they're also living proof of artificial selection. Dogs have coevolved and adapted to live in a human world. Dr. Sarah Byosiere, a dog cognition researcher, walks through ...

In a recent study published in the journal Scientific Reports, researchers investigated the associations between the lifespan of different dog breeds and their evolutionary history through ...

Why are there big dogs like Great Danes and small dogs like Toy Poodles? Find out! Not all animal adaptations are because of a natural process. We have hundreds of different breeds of dogs because of ...