The fastest animals in the world fly, swim, and run on land. Most of them are birds you probably have never seen before, especially the Frigate Birds that can stay up in the sky for a week.Here are ...

While the big cats may be able to reach speeds of 75 mph, it's nothing compared to the top speeds of other animals. It's not even the fastest mammal! Here are the fastest animals on Earth.

Certain animals have evolved remarkable speeds to catch prey or evade predators. The ostrich, impala, and kangaroo showcase nature's incredible ingenuity, leveraging their speed and agility.

Cheetahs, which look like little leopards, are the fastest animals in the world. A cheetah has been clocked at 103 ft. per second, twice the speed of a greyhound. In Africa cheetahs are used for ...

A shortfin mako shark, the fastest-swimming shark in the world, was caught on camera with an octopus catching a ride on its back off the coast of New Zealand.