Evolutionary biologists and biomechanics experts are giving the apex predator a serious makeover. It turns out the T. rex was remarkably dainty on its feet. Instead of slamming its heels into the dirt ...

It's known as the "Dueling Dinosaurs" fossil: A triceratops and a tyrannosaur, skeletons entangled, locked in apparent combat right up until the moment of their mutual demise. Even in the Hell Creek ...