Pioneering techniques used in this research may soon be applied to other dinosaur fossils and alter the course of ...

For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of ...

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 ...

While we don't like to talk ill of the dead, new physiological analysis has found that the king of the dinosaurs was not so smart after all. It upends previous research that last year likened the ...

India, Jan. 16 -- For decades, scientists have estimated the age and growth rate of Tyrannosaurus rex by counting annual ...