Today, if you look across the land of North America, the biggest animal you are going to see is the bison. When you see it in ...

Due to its vast size — stretching from Canada and Greenland in the north, to Mexico in the south — North America contains a vast range of habitats. From land to sea, there are forests, mountains, ...

Sharks, alligators, bears, snakes, mountain lions - find out how widespread America's most feared animals really are.

A newfound "chicken-size" dinosaur, recently unearthed in Wyoming, changes what paleontologists thought they knew about how dinosaurs spread across the globe. When you purchase through links on our ...

With their beady eyes, big ears, hairless tails and short, stocky legs, opossums are distinctive marsupials. Despite their odd appearance, these animals have a rich evolutionary history and have ...

Largely outshone by fossils of horses, the earliest camels are getting another look from scientists determined to sort out the relationships and adaptations of these “absolutely bonkers” herbivores ...