The Dunkleosteus is one of the most formidable fish to have ever swam in the seas, but its disappearance is something of a mystery.

The creatures cruised the world’s oceans with features we often associate with marine mammals, such as coats of blubber and ...

Titanoboa cerrejonensis, the largest snake ever discovered, lived around 60 million years ago and could grow up to 47 feet long. While the snake's size and strength surprised scientists, what shocked ...

This discovery also opened new windows into prehistoric ecosystems. Titanoboa’s fossil record helped scientists to find out about the lush, aquatic environment, rich in fish and other prey ...

In a quiet part of what is now South Australia, more than half a billion years ago, life was locked in battle. The ocean ...

Earth was once ruled by giant reptiles. Tyrannosaurus rex, the king of tyrant lizards, crushed bones. Spinosaurus hunted in ...

Deinosuchus had a wide snout like an alligator’s. But unlike alligators, it thrived in salty waters. It lived between 82 and 75 million years ago.

Deinosuchus had a wide snout like an alligator’s. But unlike alligators, it thrived in salty waters. It lived between 82 and ...

According to members of the Argentine National Gendarmerie, a local paleontologist confirmed the fossil was that of an Ichthyosaur – a prehistoric marine animal. True to their name, which means fish ...

The Trump administration's proposal to change the definition of the word “harm” in the Endangered Species Act could bring ...

Most people think of crocodilians as living fossils—stubbornly unchanged, prehistoric relics that have ruled the world's ...

Imagine stepping onto the icy shores of ancient Antarctica—not to see today’s tuxedoed, knee-high Emperor penguins, but to ...