Everything we think we know about the T-Rex is wrong

Everything scientists believed about the T-Rex could be wrong after a study proved the existence of its smaller cousin.

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

A new specimen of one of the most controversial species of dinosaur has the potential to overturn decades of research on the ...

This tiny T. rex is actually a new species

Specifically, whether or not certain fossils found in Montana belonged to a young Tyrannosaurus rex or a completely separate, ...

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

Now a research team said there’s new evidence that resolves the case. The latest clue comes from a complete skeleton — first ...
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Decades of T. Rex Research Flipped: 'Teacup Tyrant' Confirmed as Separate Species

The Nanotyrannus genus has been debated for decades, with some paleontologists arguing that specimens thus classified are ...

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.