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 ...

The largest predatory dinosaur to ever walk on Earth sported a massive sail that rose from its back, but it turns out this imposing creature would have made for a very slow and awkward swimmer, ...

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 ...

Spinosaurus was unlike any other carnivorous dinosaur ever discovered. Larger than Tyrannosaurus rex, it hunted in rivers and wetlands across ancient North Africa. Its long snout, conical teeth, and ...

Scientists today unveiled what appears to be the first truly semiaquatic dinosaur, Spinosaurus aegyptiacus. New fossils of the massive Cretaceous-era predator reveal it adapted to life in the water ...

One of the biggest, meanest dinosaurs to ever walk the earth was also a swimming terror in the freshwater rivers of prehistoric Africa, according to new research ...