New findings about the Nanotyrannus have upended what we thought we knew about dinosaur hierarchy ...

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 ...

Cara Tabachnick is a news editor at CBSNews.com. Cara began her career on the crime beat at Newsday. She has written for Marie Claire, The Washington Post and The Wall Street Journal. She reports on ...

Tyrannosaurus rex is often called the scariest and most feared dinosaur to ever walk the Earth, but science still debates ...

Ever since the first Tyrannosaurus skeleton was put on display in 1905, the tyrant lizard has captivated the world. Now, researchers say that the Tyrannosaurus may have actually developed into three ...

T. rex teeth — possibly up to six inches long — were thought by many to be too big not to protrude. In recent years, paleontologists have debunked other stereotypical portrayals of the dinosaur. Some ...

A group of researchers has estimated how long it took tyrannosaurus rex to reach its full size — and the time period is significantly longer than scientists previously believed. The dinosaur is ...