A paleontologist was trying to locate the site of a famous 1908 discovery when a rancher in Wyoming shared an important clue.

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 ...

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

A recent study suggests the unique geology of an area in Wyoming makes it a trove of unusually preserved fossils ...

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

Now a research team said there’s new evidence that resolves the case. The latest clue comes from a complete skeleton — first ...

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

For decades, paleontologists debated whether fossils were of a young T. rex or a species called nanotyrannus. A new study ...

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 ...