Add Yahoo as a preferred source to see more of our stories on Google. Modern anacondas and pythons are massive, but fossil evidence shows they are not even close to the largest snakes to ever exist.

Beneath the surface of a Colombian coal mine, scientists made a discovery so extraordinary that it rewrote what we know about giant reptiles. In 2009, researchers unearthed fossil remains of an ...

Sixty million years ago, long after the dinosaurs had vanished, a new ruler emerged in the sweltering rainforests of South America. It wasn’t a dinosaur, a crocodile, or any creature we might expect, ...

CC0 Usage Conditions ApplyClick for more information. About as thick as a standard dictionary, this turtle’s shell may have warded off attacks by the Titanoboa, thought to have been the world’s ...