The Tyrannosaurus rex seemingly came out of nowhere tens of millions of years ago, with its monstrous teeth and powerful jaws dominating the end of the age of the dinosaurs. How it came to be is among ...

A rare juvenile Tyrannosaurus rex fossil found by three children during a family hike in the North Dakota Badlands nearly two years ago will soon be on display at the Denver Museum of Nature & Science ...

The prehistoric Tyrannosaurus rex didn’t balloon to its massive size as quickly as scientists once believed. Instead, the apex predator grew more slowly and lived longer, according to a new study ...

The iconic Tyrannosaurus rex, or “T. Rex,” might need to be re-categorized into three distinct species, according to researchers. The Tyrannosaurus rex is the only recognized species of the group of ...