Could Spinosaurus swim? A new fossil with a scimitar-like head crest provides new evidence on the unsettled question. While other spinosaurids had head crests, the newly discovered Spinosaurus mirabilis has a more dramatic protrusion that may have served as a signaling function for potential mates or rivals. It also had interlocking, cone-shaped teeth, like those seen in modern crocodiles and ancient aquatic reptiles used to snag fish. This “fish trap” is just one of several traits that have fue

Was the Spinosaurus REALLY a Hybrid?

A newfound fossil tail is changing what we know about Spinosaurus—and stretching our understanding of how and where dinosaurs lived. For more iconic storytelling like this, subscribe to National Geographic: https://on.natgeo.com/3aJdDvL | National Geographic