Cheetahs are super fast and to capture them running at full speed is damn near impossible. Well, almost impossible. National Geographic shows how they captured a running cheetah and it’s pretty ...

Learn how Miocene fossils from the Mojave Desert reveal that pronghorn running adaptations developed long before high-speed cheetahs appeared in North America.

P ronghorn antelopes are the fastest land animals in North America, clocking speeds of up to 55 miles per hour for a half mile, and 45 miles per hour for longer. Since they mostly run in response to ...