A newly discovered "King of Gore" tyrannosaur pushes back the origins of T. rex's terrifying family tree to at least 80 million years ago, report paleontologists. Lythronax argestes (which literally means "Gore King from the Southwest") once stalked the shores of western North America in search of prey. It sported the same short snout, broad teeth, front-facing eye, and unimpressive forearms as Tyrannosaurus rex, which lived around 68 million years ago. (Related: "Did the Real T. rex Resemble the One in Jurassic Park?") At 24 feet (7.3 meters) long and weighing about 2.5 tons, the 80-million-year-old Lythronax (pronounced LYE-thro-nax) lacked...
