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

A new dome-headed dinosaur species was discovered in Montana, a study released this month shows. Researchers discovered the ...

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

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

Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or ...

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

"A lot of field work, especially paleontology, is trying your hardest not to break very important things," he said.

Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or ...

The Nanotyrannus's small skull has been the source of debate among dinosaur experts for at least four decades, according to the paper. Earlier research suggested it belonged to a young T. rex, but ...

“The fossil, part of the legendary ‘Dueling Dinosaurs’ specimen unearthed in Montana, contains two dinosaurs locked in prehistoric combat: a Triceratops and a small-bodied tyrannosaur. That ...

Scientists have long debated whether a mysterious dinosaur excavated in the 1940s was a young T. rex or a distinct species.