rubber-skinned Tyrannosaurus rex that commands that space. The animatronic dinosaur would periodically swivel its massive head, bear its fearsome jaws, and bellow out a piercing roar. At its giant ...

Excited alligators do more than thrash—they can spin like wound-up rubber bands ... and it's six feet [1.8 meters] thick." Since Bakker's been theorizing about dinosaurs for more than a quarter ...

99 million years ago — after the Jurassic dinosaurs but before the T-rex — a 7-foot dinosaur with freakishly long feet, teeth serrated like a steak knife, and strong, sturdy hips burrowed in ...