A century ago, scientists unearthed fossils of a gigantic carnivorous dinosaur bigger than Tyrannosaurus rex in the Sahara desert, but until recently, paleontologists thought the fearsome beast was ...
Spinosaurus was one of the biggest predators of its time, but was it big enough to take down the Tyrannosaurus rex? Adding to the size of Spinosaurus was its nearly 5-foot sail that ran along the ...
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