By working with the two mummies, the researchers were also able to determine that Edmontosaurus could likely grow over 40 ...

Now, a research team says new evidence resolves the case. The latest clue comes from a complete skeleton — first uncovered in ...

Fossils paleontologists initially thought belonged to a juvenile Tyrannosaurus rex actually belong to a new species of ...

A new species of dome-headed dinosaur has been found in fossils found in Montana, according to researchers. Paleontologist ...

Palaeontologists have argued for decades over whether certain fossils are young Tyrannosaurus rex or another species entirely ...

At first, researchers had only a tyrannosaur skull to go by, making it hard to tell if it belonged to a child or adult.

An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a ...

Tributes have been paid to an islander who discovered evidence of dinosaur footprints in the Isle of Skye as a schoolboy.

Researchers have unearthed two dinosaur "mummies" in the badlands of Wyoming, confirming duck-billed dinosaurs had hooves, ...

The skeletons of a duck-billed dinosaur found more than 100 years ago are so well-preserved that they contain fleshy body ...

Dinosaur "mummies" couldn't have been further from my mind as I trudged up a grassy knoll on the Zerbst Ranch in east-central ...

Edmontosaurus, which munched plants with its broad and flat snout that vaguely resembled a duckbill, roamed western North ...