The average person swims at a speed rarely exceeding two miles per hour, or 3.2 km/h. A fit, young, and fully trained Olympic swimmer fares much better, with speeds of up to five mph (8 km/h) not ...

Whether it’s to cross rivers, escape danger, or just cool off, some creatures that live on land can handle water surprisingly ...

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.