It's bigger than a double bed, weighs the same as a scrambler motorbike – and has one deadly sting... What are the largest jellyfish in the world? And how big can they grow? Stuart Blackman takes a ...

When you think of the biggest cats on the planet, your mind probably goes straight to a male lion or […] ...

Crocodiles already inspire fear at their modern size, but today’s saltwater crocodiles are only a shadow of what once lived in Earth’s rivers and wetlands. The fossil record shows that some ...

Discover 5 massive bears larger than a grizzly. In earths history there has been plenty of massive bears to learn about.

Long before today’s tree-dwelling sloths, a 4-ton giant roamed South America — and it may have stood and fought like a bear.

There are two contenders for biggest rat in the world, depending on how you want to measure it. One measures 88cm long while ...

In this fun video, Carl Jackson and his children show off their near-record python catch using their own bodies for ...