A dog owner says that she watched in horror as three big dogs came through the fence and attacked her small dog, causing ...

A Houston family is devastated after their small dog was viciously attacked and killed by three Chow dogs that entered their ...

Some were the size of a dog. Others were as large as polar bears. A newly-discovered fossil of the ferocious hyaenodont is ...

But in dogs, “humans interfered with that whole process,” Dr. Boyko said. A mutation that caused a drastic physical change was an opportunity, allowing humans to turn a large dog into a small ...

Big dogs are having their day at the Westminster Kennel Club dog show, where a bunch of massive breeds are being judged ...