From fearsome land mammals to deadly sea creatures, we rank the most terrifying animals that once roamed Earth.

Some strange creatures like Sea Scorpions and Plesiosaurs inhibited our oceans for over half a billion years. Let’s take a ...

There are under 100 fish to find in Webfishing, ranging from the norm to the alien, and you’ll need to find all of them if you want to unlock most of the achievements. Recommended Videos While ...

What are the best Ark Survival Ascended mods? Ascended might be a reimagined version of the dino survival game, but it still promises much of the same core gameplay. Build a tribe from scratch ...

The fossils of Helicoprion have been found worldwide. Dunkleosteus existed approximately 382 to 358 million years ago during the Late Devonian period. It was a pelagic fish that lived in open waters.

Weirdest of all was probably Helicoprion (bottom), which had a lower jaw shaped like a buzz saw and no teeth at all in its upper jaw. Scientists believed that it used these bizarre mouthparts to ...