CLEVELAND, February 24, 2007 – A scientist at The Cleveland Museum of Natural History has announced the discovery of a new horned dinosaur, named Albertaceratops nesmoi, approximately 20 feet long and weighing nearly one half ton, or the weight of a pickup truck. The newly identified plant-eating dinosaur lived nearly 78 million years ago during the Late Cretaceous Period in what is now southernmost Alberta, Canada. Its identification marks the discovery of a new genus and species and sheds exciting new light on the evolutionary history of the Ceratopsidae dinosaur family. Only one other horned dinosaur has been discovered in...