Scientists have discovered a new species of dinosaur — one that was dog-sized and roamed what is now the United States around 150 million years ago alongside familiar dinosaurs like stegosaurus and ...

The skeleton of Belgrade Joe (1868–1888), considered the father of the modern Fox Terrier, on view in the library at the American Kennel Club’s Museum of the Dog. Photo by David Woo.

The speedy, plant-eating creature lived in what is now Colorado roughly 150 million years ago, and its skeleton went on display in London this week ...

In a remote cave in the Gard region of southern France, a team of spelunkers made an astonishing discovery—a 16,000-year-old dog skeleton. This rare find not only offers a glimpse into the early ...