A 74-million-year-old bone discovered in New Mexico may belong to an ancestor of T. rex, offering clues about the giant predator.

A three-toed footprint appeared in the rock, slightly longer than my hiking boot. The outlines weren’t crisp, but the impression was deep enough to collect sand grains and pebbles. This impression is ...

We know Tyrannosaurus rex, history’s most infamous carnivore, only ate meat. But did the top predator’s cousin prefer it with ...

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

Did a T. rex relative roam the Land of Enchantment millions of years ago? A new discovery out of the New Mexico Museum of ...

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 ...

Imagine stumbling across a fossilized shinbone so massive it nearly rivals that of “Sue,” the most famous Tyrannosaurus rex ever unearthed. That is exactly what paleontologists are grappling with ...

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

“Sue was found in much younger rocks than this tibia, so our tyrannosaur was the largest predatory dinosaur of its kind,” ...