Illustration by Zhao Chuang/Courtesy of PNSO Paleontologists have discovered the heaviest and longest-lived T. rex ever seen in the fossil record. A new study catalogs the specimen’s discovery in Saskatchewan, Canada. Nicknamed "Scotty," this rex weighed close to 20,000 pounds. Scotty’s battle-scarred skeleton suggests that the predator incurred a lot of injuries during its life, including broken ribs […]