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 ...

While the mighty Tyrannosaurus Rex is rightly recognised as being among the most fearsome of carnivorous dinosaurs, in recent years an even larger beast - the spinosaurus - has begun to attain a ...