When it comes to fastest animal, we usually think of cheetahs, but many ocean creatures also boast spectacular sprints – here ...

The black marlin is the fastest swimming animal, capable of reaching speeds up to 80 mph.

Cheetahs may hold the reputation for being the world’s fastest animal – and with a running speed of up to 120 kilometers per hour (75 miles per hour), the feline is indeed the quickest animal on land.

On Saturday we showcased the extraordinary speed of North American pronghorn, with footage that showed the animals easily outrunning wolves in Yellowstone National Park. The footage was captured in ...

Kimberley Stokes receives funding from the Bertarelli Programme in Marine Science. She is affiliated with Swansea University. Competitive swimmers know that swimming underwater causes less drag ...