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.

A new Imperial College London study has answered a long-held question about why medium-sized land animals like cheetahs tend to be fastest. There's a discrepancy in the animal kingdom. While many key ...

A well-known cheetah took on a leopard to protect her one remaining cub. ©nwdph/Shutterstock.com They may grow into the world's fastest mammal, but cheetah cubs aren't nearly so speedy. A video from ...

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 ...