A worthy matchup of big teeth, little brains. Picture this: Two dinosaurs with massive teeth and hulking figures circle each other, threatening a smackdown. Each was the most successful predator of ...
WASHINGTON (Reuters) -Tyrannosaurus subdued prey with raw power, using bone-crushing bite force. But other meat-eating dinosaurs that rivaled T. rex in size used different approaches. Giganotosaurus ...
Dinosaur Discovery on MSN
How one South American fossil reshaped ideas about dinosaur dominance
In the Late Cretaceous landscapes of ancient South America, a massive predator emerged that still raises difficult scientific questions today. Fossils from Patagonia suggest Giganotosaurus may have ...
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