Pioneering techniques used in this research may soon be applied to other dinosaur fossils and alter the course of ...

There is no question that Tyrannosaurus rex got big. In fact, this fearsome dinosaur may have been Earth's most massive land ...

A study of fossil bones shows Tyrannosaurus rex kept growing until around age 40, challenging long-held ideas about dinosaur ...

A new analysis reveals Tyrannosaurus rex reached its full size only after four decades, overturning previous estimates and ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. The most complete and best-preserved Tyrannosaurus rex ever discovered will be on display ...

Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or another type of dinosaur? At first, researchers had only a tyrannosaur skull to ...

For years, the the massive mostly-intact dinosaur skeleton that came to be known as Sue the T-rex was at the center of a legal battle. The latest dispute involves who inherits what's left of the money ...

The 67 million-year-old fossils were found in Hell Creek Formation in Montana. Fossils paleontologists initially thought belonged to a juvenile Tyrannosaurus rex actually belong to a new species of ...

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 ...