An unusual and somewhat unsettling trend has emerged: cats and dogs — the quintessential rivals of the pet world — are ...

In the case of domestic cats, dogs and many other domesticated species, intentional and unintentional selection by humans ...

Persian cats and pug dogs evolved nearly identical flat faces due to human breeding. This convergence makes them look similar ...

At first glance, Persian cats and pugs don’t seem like ... cat and dog breeds to resemble one another, with convergence towards either long or flat faces. Wild canids (the group of animals ...