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 ...

For dogs (or evolution, I should really say) have discovered the chink in our armor.... Looking over the paean to science I have just written, I worry I might be giving a slightly misleading ...

One’s a cat, the other’s a dog, separated by 50 million years of evolution. But when evolutionary biologist Abby Grace Drake and her colleagues scanned 1,810 skulls of cats, dogs and their ...