The pronghorn is the fastest land mammal in the Americas. At top speed, they can hit 55 mph. But what are they running from?

Here’s how medium-sized animals, like the cheetah, occupy an optimal balance between muscle size and body mechanics. Being the largest or having the longest limbs doesn’t guarantee the title of the ...

When wildlife travelers (particularly safari fans) discuss the fastest animals in the world, a particular cat from the small cat lineage (Felinae) almost always enters the conversation: the cheetah.

Nature documentaries always go on and on about how fast a cheetah can run. Cats in captivity have been clocked at 65 miles an hour, the highest speed recorded for any land animal. And yet, scientists ...

There’s a discrepancy in the animal kingdom. While many key traits such as strength, limb length, lifespan and brain size tend to increase with animals’ size, maximum running speeds tend to be ...

WASHINGTON — Everyone knows cheetahs are blazingly fast. Now new research illustrates how their acceleration and nimble zigzagging leave other animals in the dust and scientists in awe. Researchers ...

Kibibi, a cheetah who lived at the Columbus Zoo and Aquarium, was remembered after her death, having made remarkable ...