A relatively recently discovered dinosaur species, Meraxes gigas, had a giant body and small forelimbs like Tyrannosaurus rex. It appears that both species evolved their proportionately tiny arms ...

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Paleontologists have described a new species of giant carnivorous dinosaur from a fairly complete ... and tyrannosaurids like … well, Tyrannosaurus. And these aren’t direct ancestors of ...

A gigantic dinosaur species was discovered by an international team of paleontologists in Argentina, according to a study published this week. Dubbed Meraxes gigas, the 9,000-pound, 36- to 39-foot ...

Learn more about a newly discovered dinosaur species that is now the closest-known ancestor to the Tyrannosaurs.

Tyrannosaurus rex was one of the largest carnivorous ... rex wasn't the largest carnivorous dinosaur, however. That honor goes to Spinosaurus, which was probably a few meters longer, Carr said.

gigas and T. rex had incredibly similar body plans, and that could help scientists understand why dinosaurs built themselves this way. “Meraxes and tyrannosaurus were not closely related.

A newly identified mid-sized dinosaur from Mongolia dubbed the "Dragon Prince" has been identified as a pivotal forerunner of ...

Meraxes gigas had tiny forelimbs just like Tyrannosaurus rex. Paleontologists have announced the discovery of new giant dinosaur species that had massive head and tiny forelimbs, just like ...