Tyrannosaurus rex is arguably the world’s most famous dinosaur, yet paleontologists are still learning more about this giant ...

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

Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study ...

Now, a new study of 17 tyrannosaur specimens, ranging from early juveniles to massive adults, has revealed that the king of ...

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

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

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 ...

The largest-ever study of how the “king of dinosaurs” grew shows a much longer, slower path to adulthood than scientists ...

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

T. rex teeth — possibly up to six inches long — were thought by many to be too big not to protrude. In recent years, paleontologists have debunked other stereotypical portrayals of the dinosaur. Some ...

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