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

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

A new study reveals Tyrannosaurus rex took 40 years to reach full size, not 30, as previously thought. Researchers analyzed ...

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

A remarkably complete tyrannosaur specimen, unearthed in the middle of Montana, may finally settle one of the most contentious debates in paleontology and upend our understanding of Tyrannosaurus rex, ...

(CNN) — A legendary fossil housed at the North Carolina Museum of Natural Sciences in Raleigh features skeletons apparently locked in prehistoric combat — an epic meeting of two of the world’s ...

For many years, paleontologists have debated about whether there was a smaller relative of the Tyrannosaurus rex, or if those smaller fossils were really just awkward teenage versions of the king of ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. For years, key fossils were thought by many paleontologists to be juvenile examples of ...

Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study.Scientists have long counted annual growth rings in fossilized ...