Historic population bottlenecks left cheetahs genetically similar, increasing disease risk and threatening long-term survival ...

At the bottom of the list, cheetahs have a lot to be wary of. Their delicate frame is built for fleeing quickly, not fighting back. Cheetahs can easily run at an average pace of 40 miles per hour. But ...

"A fascinating exploration of the extreme world of animal athletics, how these stunning abilities have evolved, and their insights into human performance and evolution. How is it that fish can climb ...