Close your eyes and imagine a Tyrannosaurus rex. Your dinosaur probably has a hulking frame, scaly skin, puny arms and protruding teeth it wielded to be the apex predator of its era. Right? If so, ...

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 ...

An international team of scientists including two neurobiologists from the University of Alberta is weighing in on the latest controversy over the brain power of Tyrannosaurus rex. Dinosaurs have been ...

An icon from the age of dinosaurs, Tyrannosaurus rex has featured in everything from blockbuster movies to the shape of chicken nuggets. As a creature to be feared for its bone-crushing bite or ...

Tyrannosaurus rex evolved in North America, but its direct ancestor came from Asia, crossing a land bridge connecting the continents more than 70 million years ago, according to a new study led by UCL ...