From chihuahuas to great Danes, dogs differ more in size than any other mammal species on the planet. A mutation behind such variation has been traced to an unexpected source: ancient wolves. The ...

When most people picture ancient dogs, they imagine something wolf-like—sleek, long-snouted, and built for the hunt. But a major new archaeological study reveals a very different story. Thousands of ...

Chicago has long been a city of innovation when it comes to food. From classic, globally-loved staples like deep-dish pizza and Italian beef, to the beloved Chicago-style hot dog -- considered to be ...