When considering the fastest animals on Earth, size seems like it should matter. Yet the cheetah, weighing around 50 ...

A new 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 traits such as strength, ...

Cheetahs sprint faster than any land animal, yet tire quickly, while ostriches run slower but can endure for miles. Which ...

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 ...