Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study.

There is no question that Tyrannosaurus rex got big. In fact, this fearsome dinosaur may have been Earth's most massive land ...

Dinosaur Institute researcher shows throat bones accurately record maturity in dinosaurs, establishing Nanotyrannus was a fully grown, entirely distinct species from T. rex “The identity of the ...

Researchers now identify the "dueling dinosaur" tyrannosaur as an adult Nanotyrannus, not T. rex. "This fossil...flips decades of T. rex research on its head," says Lindsay Zanno. Study reveals ...

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 tyrannosaur skull to ...

"We've named a new species," Lindsay Zanno, head of paleontology at the NC Museum of Natural Sciences, told a crowd on Thursday. Scientists at the NC Museum of Natural Sciences have found that what ...

But the dino that had been identified as a juvenile T. rex is apparently neither a youngster nor even in the genus of Tyrannosaurus. Scientists from North Carolina State University (NCSU) have ...

A dinosaur fossil thought to be a juvenile Tyrannosaurus rex is in fact a fully grown carnivore of a different species, according to researchers who believe they have finally settled a long-running ...

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Some are quick to point out that movies like Jurassic Park may get the appearance of dinosaurs wrong. If so, it is for good reason. Scientists primarily have fossils of bones and teeth to guide their ...

One New Jersey business is having a closing sale. Everything must go — even the 30-foot-tall animatronic T. rex. Field Station: Dinosaurs, the Leonia dinosaur park set to close at the end of the fall ...

We'll never have the opportunity to show up at a dinosaur's house while excitedly clutching a gift we carefully selected, nor will receive a text from a T. rex asking if we have time to get together ...