Science ❯ Geology ❯ Fossils
Bonebed Discovery Egg Fossils Gondwana Stegosaurus Joaquinraptor Fossils Patagonian Fossils Bayanshiree Formation Khankhuuluu Discovery Lago Colhue Huapi Formation Ankylosaur Fossils Spicomellus afer Isle of Wight Cretaceous Period Tyrannosaurus rex
Polarized-light imaging of 17 leg bones revealed hidden growth rings that shift T. rex’s peak size to late middle age.
