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 ...

Your guides to the weird side of the web show how humans compare to the fastest animals and sprinters.

The fastest terrestrial mammal in Australia is the red kangaroo which can clock up a top speed of around 56 kmph (34 mph) over shorter distances. And its ability to hop is an incredibly efficient way ...

To determine the fastest animal in the world, one has to consider the nature of the race that you are going to ask them to run. If you were running an air race with level flight, your champion would ...