A new analysis of a large shinbone unearthed in a remote spot in northwestern New Mexico in the 1970s shows it belongs to a ...

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, ...

Tyrannosaurus rex is one of the most recognizable names of the dinosaur world, a hulking and terrifying meat-eating behemoth.

For decades, dinosaurs, especially the Tyrannosaurus rex, have captured the imaginations of the public and paleontologists ...

A fossil tyrannosaur pulled from the badlands of southern New Mexico has forced paleontologists to rethink when giant ...

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

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 ...

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.