The risk of extinction is highest for Earth's largest and smallest animals

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Mysterious pink tube 'creature' baffles divers

These octopuses like to hang out together in an underwater city called Octlantis

The odd, adorable mystery of hairy spider feet

African wild dogs 'vote' by sneezing

Snow leopards no longer endangered, but not everyone is celebrating

9 famous albino animals

Camera trap spots Arizona jaguar — again!

8 shocking facts about electric eels

Cooper's hawk flies free after riding out Hurricane Harvey with cab driver

Lonely guests at this hotel in Belgium can enjoy the company of ... a fish?