Tyrannosaurus Rex: The King of Dinosaurs The Tyrannosaurus Rex, or T-Rex for short, is one of the most famous dinosaurs in the world. This fearsome predator ruled the Earth during the late Cretaceous period, about 66 million years ago. Let’s learn some fascinating facts about this prehistoric giant. Size and Appearance The T-Rex was a … Continue reading Tyrannosaurus Rex Facts for Kids: Learn About the King of Dinosaurs More