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 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 ...

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, ...

Unlike most dinosaurs, it seems that spinosaurs liked the water. This suggestion is based on the analysis of a well-preserved fossil tail of Spinosaurus aegyptiacus, published Wednesday in the journal ...