Dinosaur bones are like trees—every year is represented by a new ring, and paleontologists can count those concentric circles to determine a fossil’s age. Previous estimates put T. rex’s lifespan at ...
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It turns out the mighty T. rex wasn't always so mighty! New research is shedding light on how long it took the "king of the ...
In the past, analysis of Tyrannosaurus rex bones suggested that the enormous dinosaurs died by the age of 30. But a new study ...
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 ...
It took the fearsome T rex 40 years to reach its full size, study finds - Findings extend growth phase of T rex by 15 years ...
Despite being one of the most well-known and popular dinosaurs, we are still learning things about the Tyrannosaurus rex today. Scientists have recently discovered that T. rex likely originated in ...
India, Jan. 16 -- For decades, scientists have estimated the age and growth rate of Tyrannosaurus rex by counting annual ...
The findings suggest T. rex spent much of its life as a juvenile or subadult, growing quickly in some years and barely at all ...