A 50-foot-long carnivore who hunted its prey in rivers 97 million years ago, the Spinosaurus is a "dragon from deep time." Paleontologist Nizar Ibrahim and his crew found new fossils, hidden in cliffs of the Moroccan Sahara desert, that are helping us learn more about the first swimming dinosaur -- who might also be the largest carnivorous dinos...

In Cretaceous times (around 100 million years ago), North Africa was home to a huge river system and a bizarre menagerie of giant prehistoric predators — including the Spinosaurus, a dinosaur even more fearsome than the Tyrannosaurus rex. Nizar Ibrahim uses paleontological and geological data to reconstruct this “River of Giants” in surprising d...

Much of what we know about the "Age of Dinosaurs" is based on research efforts, discoveries, and collections located in North America and Europe, with increasing contributions from South America and Asia. However, Africa, the world's second-largest continent, is severely underrepresented. Africa also lags far behind in scientific infrastructure ...