A new analysis of fossils believed to be juveniles of T. rex now shows they were adults of a small tyrannosaur, with narrower jaws, longer legs, and bigger arms than T. rex. The species, Nanotyrannus ...

A full-size replica of a Tyrannosaurus rex is on display in the ’T. rex: The Ultimate Predator’ exhibit now open at the Perot Museum of Nature and Science in Dallas, Nov. 13, 2023. The exhibit ...