Gigantopithecus was the largest ape to ever walk the Earth. Standing taller and heavier than any human, it dominated ...

New satellite photos reveal that one of the world's largest and longest-lived icebergs, A23a, has developed vibrant blue ...

It is thought that this giant snake lived in the ancient seas during the Eocene epoch, about 56 to 34 million years ago.

This one-ton turtle once ruled South America’s rivers — until a changing planet proved too much for even the largest ...

Who do you think would win a fight between a python and a crocodile in Florida? Generally, we would look to real-life ...

Was this 33-foot monster anaconda the longest on record? Click here to discover the largest anaconda ever found.

In his new National Geographic series Pole to Pole, the actor ventures deep into the Amazon in search of creatures whose ...