Young T. rex or a new dinosaur? New bones add to the debate

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

Why researchers thought fossils of new dinosaur species were a T. Rex

The Nanotyrannus's small skull has been the source of debate among dinosaur experts for at least four decades, according to ...

New ‘miniature T rex’ rewrites the history of the world’s largest predator

Nanotyrannus, the “miniature T rex”, has been the centre of one of the fiercest debates in palaeontology. Scientists have ...
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Research may solve mystery of whether fossil is young T. rex or new species

The fossil skull of a mystery tyrannosaur has been the subject of debate since it was discovered in the 1940s.

Mysterious dinosaur skeleton thought to be a teenage T. rex is actually a rival species, researchers say

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

Paleontologists thought fossils found in Montana were juvenile T. rex. It's actually a new species of dinosaur

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

Case of mistaken identity rewrites T. rex – and dinosaur predator – history

More than 60 million years on from its final day on Earth, there's a dinosaur we owe an apology. Paleontologists confirm that the Tyrannosaurus rex locked in combat with a Triceratops in the famous ...
KNKX Public Radio

Scientists thought this fossil was a teen T. rex. Turns out it's a new tyrannosaur

A new look at the "Dueling Dinosaurs" fossil reveals that Tyrannosaurus rex was not the only tyrannosaur roaming the land.