For decades, scientists have studied animals living in or near the Chernobyl Nuclear Power Plant to see how increased levels ...

Most pet dogs carry a little wolf inside them; tiny snippets of wolf DNA that slipped into dog genomes after domestication. A ...

There is a good chance that many of you watching right now have a dog somewhere nearby. But what do you actually know about where dogs come from? You're probably aware they evolved from wolves, but ...

While dogs and cats are genetically unrelated, breeding for certain features is making some dog and cat breeds look more and ...

April 26, 1986, is a day that will always live in infamy as the Chernobyl Nuclear Reactor in what was then the Soviet Union ...

From Pekingese to St. Bernard and greyhound, dogs come in such startling variety it's easy to forget they belong to the same species. The profusion of breeds today -- at least 150 -- reflects intense, ...

For a long time, it was believed that the first domestic dogs all resembled today's wolves. However, studies suggest this is not necessarily the case. Photo: Getty Images / Roman Bjuty How much ...

For thousands of years, humans have selectively bred dogs to fulfill specific roles, ranging from guarding and hunting to herding and companionship. This deliberate shaping of traits has resulted in ...

When you glance at the variety of dog breeds, it's easy to think they're all vastly different. From tiny Chihuahuas to ...

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