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WASHINGTON, Jan 15 (Reuters) - There is no question that Tyrannosaurus rex got big. In fact, this fearsome dinosaur may have been Earth's most massive land predator of all time. But the question of ...

Get full access to The Daily Beast for $1 Turns out the T. rex was a late bloomer that lived longer than previously thought. Dean Mouhtaropoulos/Dean Mouhtaropoulos, Getty Images The prehistoric ...

A new analysis of tooth enamel offers a direct estimate and fresh insight into how the dinosaur survived across North America.

India, Sept. 24 -- Palaeontologists have unveiled the first recorded trackway of an adult Tyrannosaurus rex, following a remarkable fossil discovery in the rugged badlands of North Dakota. The ...

When picturing a scaled, toothy Tyrannosaurus rex stomping across North America, building nests and eating other dinosaurs, it's easy to forget that scientists have gleaned everything we know about T.

Researchers say they have identified a new species of Tyrannosaurus that traces the dino's lineage to North America much earlier than previously thought, and could shed new light on the murky origins ...

A new species of tyrannosaur from southern North America that may the closest known relative of Tyrannosaurus rex is described in a study published in Scientific Reports. Sebastian Dalman and ...

Scientists in the U.K. have discovered a new dinosaur species, the Invictibellatrix amberina, a two-legged carnivore that was ...

A high school science teacher discovered the first known T. rex trackway in North Dakota’s Hell Creek Formation, offering rare clues about how the dinosaur walked.

Tyrannosaurus rexes were mighty dinosaurs with massive skulls, scaly skin, foot-long teeth and tiny arms. They were terrifying carnivores, living in what’s now western North America more than 66 ...