(CN) — A fossil long at the center of one of paleontology’s fiercest debates has finally given up its secret, and it’s rewriting what scientists know about Tyrannosaurus rex. Researchers studying the ...

For decades, a small tyrannosaur skull has divided paleontologists over whether it belonged to a separate species or a teenage Tyrannosaurus rex. New research anchored in the spectacular “Dueling ...

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A family of dinosaurs including T. rex shows an independent trend of growing a large head while the front limbs shrink. Meraxes gigas, a newly-discovered carnivorous dinosaur, shares these traits.

A dinosaur fossil thought to be a juvenile Tyrannosaurus rex is in fact a fully grown carnivore of a different species, according to researchers who believe they have finally settled a long-running ...

A case of mistaken identity seemingly finally settled this week could shake up vast swathes of what we thought we knew about the most ferocious of dinosaurs—Tyrannosaurus rex. For years, ...