Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Far bigger than any dog that walks the earth today, Epicyon ...

Epicyon haydeni, or Hayden’s bone-crushing dog, roamed North America between 12 and 6 million years ago during the middle to late Miocene epoch. Its fossils have been discovered in at least 12 ...

What happened to the prehistoric Big Dogs? originally appeared on Quora: the place to gain and share knowledge, empowering people to learn from others and better understand the world. Answer by Stefan ...

The idea of a dog the same size as a grizzly bear may sound like a creature from a science fiction blockbuster, but such a creature was very much real around 16 million years ago. The enormous dog ...

Now living primarily on the screen and made popular by shows like "Game of Thrones," the dire wolf is more than just a work of fiction. It once existed and may have coexisted with gray wolves and ...