An artist's impression of a giant tyrannosaur, with duckbilled dinosaur Parasaurolophus individuals in the background in New Mexico about 74 million years ago, in this undated illustration. Chase ...

ALBUQUERQUE, N.M. — Scientists identified a fossil from New Mexico as belonging to a dinosaur that may have been an ancestor of the Tyrannosaurus Rex. The research shows large tyrannosaurs lived in ...

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 ...

It's known as the "Dueling Dinosaurs" fossil: A triceratops and a tyrannosaur, skeletons entangled, locked in apparent combat right up until the moment of their mutual demise. Even in the Hell Creek ...

Tyrannosaurus rex is one of the most recognizable names of the dinosaur world, a hulking and terrifying meat-eating behemoth. While fossil remains have been extensively studied, not much is known ...

Washington ― A new analysis of a large shinbone unearthed in a remote spot in northwestern New Mexico in the 1970s shows it belongs to a close relative of Tyrannosaurus rex that predated that huge ...