A new study reveals Tyrannosaurus rex took 40 years to reach full size, not 30, as previously thought. Researchers analyzed ...
Dinosaur bones are like trees—every year is represented by a new ring, and paleontologists can count those concentric circles ...
Pioneering techniques used in this research may soon be applied to other dinosaur fossils and alter the course of ...
A study of fossil bones shows Tyrannosaurus rex kept growing until around age 40, challenging long-held ideas about dinosaur ...
Using polarised light, the team identified previously unknown growth marks that had gone undetected in earlier studies. These ...
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T. rex took 40 years to become fully grown
An analysis of growth rings in the leg bones of 17 Tyrannosaurus rex individuals reveals that the dinosaurs matured much more ...
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