Study finds Tyrannosaurus rex did not reach full size until age 40

By Will Dunham WASHINGTON, Jan 15 (Reuters) - There is no question that Tyrannosaurus rex got big. In fact, this fearsome ...

T rex didn’t become an 8-ton giant overnight: Scientists reveal how long the apex predator took to grow

A new study reveals Tyrannosaurus rex took 40 years to reach full size, not 30, as previously thought. Researchers analyzed ...

New study rewrites what scientists know about the T. Rex

Pioneering techniques used in this research may soon be applied to other dinosaur fossils and alter the course of ...
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T. Rex Was Still Growing At 40, Taking A Slower Path To Adulthood Than Previously Thought

Previous studies of T. rex growth rings concluded they grew until around the age of 25, and then stopped. This was more of a ...