They may have been drawn to the discarded remains from ancient human meals, and a new model shows tame wolves could have ...

Selective breeding has dramatically transformed dogs over the last 100 years, often at the expense of their health. Modern standards have led to exaggerated physical traits in breeds like Pugs, ...

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 ...

Since their domestication millennia ago, dogs have been man's best friend, and aside from friendship, centuries of selective ...