Giant mosasaurs, once thought to be strictly ocean-dwelling predators, may have spent their final chapter prowling freshwater ...

Learn how chemical clues reveal a mosasaur was hunting in freshwater rivers as the Cretaceous seaway receded.

Mosasaurs, giant marine reptiles that existed more than 66 million years ago, lived not only in the sea but also in rivers.

When we think of the word “dinosaur,” lots of people will most likely imagine the T-Rex — the behemoth that’s portrayed to annihilate almost everything that crosses its path. The creature is commonly ...

At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs.

The iconic image of the T-Rex, with its sharp, jagged teeth menacingly protruding from its mouth, may not be entirely accurate, according to a new study published in the Journal of Science. An ...

Dr. Scott explains the difference between human teeth and T. Rex teeth. Dr. Scott explains the difference between human teeth and T. Rex teeth, and points out some similarities between the T. Rex and ...

NEW YORK - The fearsome bite of a hungry Tyrannosaurus rex left behind new evidence that the famous beast hunted for food and wasn't just a scavenger. Researchers found a part of a T. rex tooth wedged ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Real predatory dinosaurs like the infamous Tyrannosaurus rex may ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...

A worthy matchup of big teeth, little brains. Picture this: Two dinosaurs with massive teeth and hulking figures circle each other, threatening a smackdown. Each was the most successful predator of ...