Pugs, Mastiffs, Chihuahuas, and Greyhounds didn't splinter off from wolf-like wild dogs in a matter of generations – the story runs far deeper. The forms we recognize in our canine companions today began to appear surprisingly early, at a time when the Ice Age was ending and agriculture was just beginning to take root around the world. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

A new study looked at the early diversification of domestic dogs and discovered that major, distinct genetic lineages started appearing at least 11,000 years ago.

Dogs were domesticated by humans at some point during the last 40,000 years, with some of the most acute analyses saying it happened in Siberia around 23,000 years ago. While we don’t have a

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