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

Dinosaur bones are like trees—every year is represented by a new ring, and paleontologists can count those concentric circles ...

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

Tyrannosaurus prowled western North America during the Cretaceous Period at the twilight of the age of dinosaurs before an ...

Using polarised light, the team identified previously unknown growth marks that had gone undetected in earlier studies. These ...

A comprehensive analysis of Tyrannosaurus rex fossils is surprising scientists with just how long these apex predators took ...

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A study of fossil bones shows Tyrannosaurus rex kept growing until around age 40, challenging long-held ideas about dinosaur ...

Almost everyone has heard of Tyrannosaurus rex, but how much do you actually know about this iconic dinosaur predator? Take ...

WASHINGTON (Reuters) - Surmising even the physical appearance of a dinosaur - or any extinct animal - based on its fossils is a tricky proposition, with so many uncertainties involved. Assessing a ...

A new approach using the hyoid bone uncovered distinct growth patterns. A new study has brought clarity to a long-running debate in dinosaur research by strengthening the case that Nanotyrannus was a ...