For decades, scientists believed that Tyrannosaurus rex reached its full size by the age of 25. However, new research has revealed that the iconic dinosaur likely required more time to reach its ...

Tyrannosaurus rex may have taken far longer to grow up than scientists once thought. By analyzing growth rings in fossilized leg bones from 17 tyrannosaur specimens and using new statistical methods, ...

In a remarkable discovery, three school kids uncovered a rare juvenile Tyrannosaurus rex fossil while hiking in North Dakota, sparking significant interest in the paleontological community. This ...

Jan. 11—Question: What's toothy, about 73 million years old, and hails from south-central New Mexico? The answer: A new species of dinosaur, discovered by a team of paleontologists associated with the ...