How dogs & cats evolved
The real story of how wolves became dogs and wildcats moved in — domestication, ancient DNA, selective breeding and the biology that still shapes your pet.
Articles
Evolution
What selective breeding actually does to an animal
Choosing which animals have babies is the most powerful force in a pet’s biology. A Soviet fox experiment shows how fast it works — and how much it costs.
Evolution
Are dogs and wolves the same species?
Technically yes — a dog is a subspecies of grey wolf, and the two make fertile pups. But a dog is not a tame wolf, and the differences run deeper than looks.
Evolution
How we know: reading the ancient DNA of dogs and cats
The story of pet origins was rewritten in the last fifteen years — not by new bones, but by pulling readable DNA out of old ones. Here is how that actually works.