The behemoth dinosaurs grew more slowly and had longer lifespans than previously thought, a new study suggests ...

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

Pioneering techniques used in this research may soon be applied to other dinosaur fossils and alter the course of ...

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

By counting visible and hidden rings, researchers found that T. rex did not reach full size until 35 to 40 years of age.

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

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

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

Researchers now identify the "dueling dinosaur" tyrannosaur as an adult Nanotyrannus, not T. rex. "This fossil...flips decades of T. rex research on its head," says Lindsay Zanno. Study reveals ...

Steven Spielberg’s thrilling adaptation of Michael Crichton’s novel Jurassic Park came out at a time when new advances were being made in research about dinosaurs, causing the massive beasts to take ...

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

About 66 million years ago, the Tyrannosaurus rex roamed around Earth terrifying nature around it. Now, one of the largest predators ever to live on land can be your next purse. Researchers and ...