Lythronax Argestes, Newly Discovered Dinosaur, Unveiled in Utah

A new species of tyrannosaur unearthed in Grand Staircase-Escalante National Monument in southern Utah is revealed at the Utah Museum of Natural History Museum in Salt Lake City, Wednesday, Nov. 6, 2013. Paleontologists unveiled a new dinosaur discovered four years ago that proves giant tyrant dinosaurs like the Tyrannosaurus rex were around 10 million years earlier than previously believed. (AP Photo/The Salt Lake Tribune, Al Hartmann) Continue reading »