An analysis of growth rings in the leg bones of 17 Tyrannosaurus rex individuals reveals that the dinosaurs matured much more ...

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

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

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

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

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

By cutting into a tiny throat bone, Princeton's Chris Griffin showed that it belonged to an adult of a smaller tyrannosauroid ...

When scientists finally measured the most powerful bite ever recorded, the winner wasn’t T. rex. It was something far older, ...

A new study of growth patterns in the bones of Tyrannosaurus rex has contradicted previous reports that it stopped growing in ...

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

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