The fastest a human has ever been recorded running was Usain Bolt in the 2009 Olympics. Bolt ran the 100-meter dash in an astonishing 9.58 seconds. This equals 27.78 miles per hour, and the record ...

Speed in the animal kingdom comes in many forms, from powerful land sprints to lightning-fast dives beneath the waves. Whether it's in the air, on land, or through water, each species has evolved in ...

Greyhounds can reach up to 45 miles per hour when sprinting. They are one of the oldest breeds in the world, dating back to ancient Egypt. No doubt about it, greyhound dogs are quick. Famous for being ...

When you think of fast animals, the cheetah usually takes the spotlight—but it’s far from the only speedster in the animal kingdom. Countless creatures on land, in the air, and in the water can reach ...