There are more than 500 species of sharks in the world today and they are some of the best-known predators around. Although ...

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.

Photographer Michael Busch captured video footage of a 6 foot long shark swimming near two unsuspecting snorkelers in the waters near Stuart, Florida.

The octopus in question was no lightweight. It was a Māori octopus, the largest octopus species in the Southern Hemisphere.

The rare sighting of an octopus riding on top of a shark was shared by scientists with the University of Auckland after it ...

It's commonly thought that sperm "race" to the egg, with the winner fertilizing it. But is this really the case?

A survey of 2,000 men found that many are overconfident in their athletic abilities - with a significant portion convinced ...

A study has found that one in 50 men believe they would be able to outrun a horse in a 100m race - and many are also ...

A shortfin mako shark, the fastest-swimming shark in the world, was caught on camera with an octopus catching a ride on its ...