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

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 ...

There is no question that Tyrannosaurus rex got big. In fact, this fearsome dinosaur may have been Earth's most massive land ...

Get our top stories delivered straight to your inbox.

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 ...

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

Billions of Tyrannosaurus rex roamed North America during their fascinating reign as top predators, according to a team of researchers that went about the daunting task of making the calculation.

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

Dinosaurs haven’t roamed the Earth for millions of years, but the nature of their reign has sparked no shortage of controversial debates among paleontologists that remain unresolved today. Late last ...