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

There is no question that Tyrannosaurus rex got big. In fact, this fearsome dinosaur may have been Earth's most massive land ...
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How Big Was the Tyrannosaurus rex? They May Have Been Larger Than Fossil Evidence Suggests

Tyrannosaurus rex is undoubtedly one of the most famous dinosaurs. Whether it was the largest amongst the meat-eating theropods, however, is questionable and often part of intense debate. Based on the ...