Tyrannosaurs are among the most intensively studied and best-known dinosaurs. Despite this, their relationships and systematics are highly controversial....
New research from the University of Tasmania also confirms a significant, fundamental morphological difference found in Tasmanian devils (Sarcophilus harrisii)...
Paleontologists in Canada have found a 75-million-year-old skeleton of a juvenile of the tyrannosaurid dinosaur Gorgosaurus libratus with the remains of...
