Dogs are diverse largely because of artificial rather than natural selection, because of us rather than nature. But just how much of their variety can be laid at our feet versus Mother Nature's ...

Discover the science behind natural selection and evolution. Get the facts on survival of the fittest with ExtremeTech’s comprehensive breakdown.

See what scientists believe about humans' artificial selection pressures on the dog genome. Aa Aa Aa Any dog lover knows that Labrador retrievers are friendly, Dalmatians are hyper, and Australian ...

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 ...