The main reason sharks have become the No.1 cinematic animal antagonist is the way they dominate humans in the water.

Never-before-seen behaviors are shown in a decade-long mountain lion study throughout Montana’s mountains through the eyes of ...

Follow a paleontologist on an Arctic adventure to uncover the hidden lives of walrus and the threats they face as climate change shrinks the sea ice.

Megaraptorans were known for their elongated skulls and powerful claws. Paleontologists in Argentina have discovered a new predatory dinosaur -- the fossils of which contained a crocodile bone within ...

A stubborn baby hippo at a Kansas wildlife park met his match when his mother delivered a look every parent knows. At Tanganyika Wildlife Park in Goddard, KS, a 6-week-old pygmy hippo named Mars ...

Lions are often called the “king of the jungle” for good reason. These impressive predators are incredibly powerful. A male lion can stand up to 4 feet tall at the shoulder, have a 10-foot-long body, ...

Along the Boteti River in Botswana, a baby hippo showed several crocodiles who was boss on June 11. The little hippo showed no respect and even sat on the tail of a giant reptile. Leanne official ...

There is only one place where both American crocodiles and American alligators are found, and that is South Florida. But, as you can see in this startling YouTube clip, they do not always get along!

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...