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

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

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

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

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

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

The prehistoric Tyrannosaurus rex didn’t balloon to its massive size as quickly as scientists once believed. Instead, the ...

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

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

Tyrannosaurus rex is thought to have had one of the most powerful bites of any animal that ever lived. So strong, in fact, that not only could it crush the bones of its prey, but it should have ...

"Stan" - A Tyrannosaurus rex dinosaur fossil skeleton is displayed in a gallery at Christie’s auction house in New York City. The fossil is named after the amateur paleontologist Stan Sacrison, who in ...

A new approach using the hyoid bone uncovered distinct growth patterns. A new study has brought clarity to a long-running ...