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

Tyrannosaurus rex is arguably the world’s most famous dinosaur, yet paleontologists are still learning more about this giant “tyrant lizard king.” T. rex roamed the western United States during the ...

India, Jan. 16 -- For decades, scientists have estimated the age and growth rate of Tyrannosaurus rex by counting annual growth rings-similar to those found in trees-preserved inside fossilized leg ...