For more than three decades, a small tyrannosaur skull sat at the center of one of paleontology’s most stubborn arguments.

Some scientists have suggested a different idea: T. rex’s arms may have evolved to be smaller as another body part grew larger. The fossil record reveals that arms got shorter as theropod skulls got ...

Forget the earth-shaking stomps! New research reveals Tyrannosaurus rex likely walked with a bird-like, controlled stride, using its toes and tail for balance. This efficient gait suggests a more ...

Chances are you’ve seen a Tyrannosaurus rex on film or in a museum. But what if there’s something we’ve been led to believe about the famous dinosaur that’s wrong? A new study in the journal Science ...

NEW YORK (AP) — 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 ...

New research is trying to remake the case that fossils known as Nanotyrannus were their own species, rather than a teenage Tyrannosaurus rex. By Asher Elbein Asher Elbein previously wrote about ...

Earlier this year, a paper suggesting the iconic T. rex was actually three separate species was met with criticism from the paleontology community. The study, led by independent researcher and ...

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