The semi-aquatic dinosaur, Spinosaurus mirabilis, was discovered by an international team of scientists working in Niger.
A small fossil jaw rests in Argentina’s national natural science museum in Buenos Aires. The fossil, only six inches long, ...
Exactly where and when dinosaurs first evolved are still open questions in paleontology. Exactly where and when dinosaurs first evolved are still open questions in paleontology; it’s hard to even say ...