The Tyrannosaurus rex ("T-Rex") is perhaps the most well-known dinosaur species. Its formidable stature, sharp teeth, and hunger for meat have made it a favorite dinosaur to depict in stories ...

Although T. rex is a household name, what we know about this tyrannosaur is constantly evolving. Improved technologies, such as biomechanical modeling and x-ray imaging, have allowed scientists to ...

The discovery in 2012 of a 1.4 tonne tyrannosaur Yutyrannus suggests even some of the big meat-eating dinosaurs had feathers. Some scientists think T. rex may also have had feathers. Others disagree.