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, ...

Researchers have discovered that Spinosaurus aegyptiacus, the terrifying aquatic dinosaur that lived 100 million years ago, had a powerful tail that enabled it to be accustomed to an aquatic lifestyle ...

Newly unveiled fossils indicate a dinosaur known as Spinosaurus aegyptiacus was built to live part of the time in water, according to a report published online for the journal Science. Measuring 50 ...

Scientists have 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, ...

After millions of years, six incredible dinosaurs are coming back to life. In “Walking with Dinosaurs” on PBS, paleontologists discover the lives behind the fossils, using the latest scientific ...