What are the most aggressive animals? Discover the fiercest creatures that rule the land, sea, and sky with unmatched power, ...

Sharks are portrayed as terrifying predators on the prowl for human flesh, but in reality, sharks are custodians of the ocean ...

Besides its cute yet grumpy facial features, a Pallas' cat can also flatten its entire body to look just like a rock!

Basis: Massive size and aggression Hippos may seem docile, but they weigh up to 4,500 kg (9,900 pounds). They have a bite ...

Here are 12 most dangerous animals— from hyenas and buffaloes to crocodiles and elephants—capable of taking down apex predator, the lion.