A leg bone discovered in northwestern New Mexico decades ago raises new questions about the origins of the infamous T. Rex.

Tyrannosaurus Rex was the apex predator of the Late Cretaceous world. You might picture these dinosaurs stomping around on ...

Scientists studying fossils in Albuquerque have discovered an early ancestor of the Tyrannosaurus rex roamed New Mexico more than 74 million years ago, according to a Thursday news release.

WASHINGTON, March 12 (Reuters) - A new analysis of a large shinbone unearthed in a remote spot in northwestern New Mexico in ...

Scientists identified a fossil from New Mexico as belonging to a dinosaur that may have been an ancestor of the Tyrannosaurus Rex.

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 ...

New research suggests Tyrannosaurus rex ran on its tiptoes rather than flat feet.

This suggests the dinosaurs hunted different prey at various stages of life. The faster juvenile T. Rexes probably chased ...

Add Yahoo as a preferred source to see more of our stories on Google. Tyrannosaurus rex skull. Up until 69 million years ago, many of the dinosaurs in the Hell Creek Formation, which includes parts of ...

"Stan" - A Tyrannosaurus rex dinosaur fossil skeleton is displayed in a gallery at Christie’s auction house in New York City. The fossil is named after the amateur paleontologist Stan Sacrison, who in ...

Each of the dinosaurs in the "Jurassic Park" franchise is ferocious in their own way, but the ones on this list are the ...