A group of researchers has estimated how long it took Tyrannosaurus rex to reach its full size — and the time period is ...

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

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

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

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 landmark investigation into Tyrannosaurus rex fossils has fundamentally altered scientific understanding of how long these ...

(NewsNation) — More Tyrannosaurus rex fossils are landing in the hands of wealthy private collectors through the luxury auction market, which is affecting how many of the treasured species are being ...

It's known as the "Dueling Dinosaurs" fossil: A triceratops and a tyrannosaur, skeletons entangled, locked in apparent combat right up until the moment of their mutual demise. Even in the Hell Creek ...