The 110 million-year-old fossil of a nodosaur preserves the animal’s armor, skin, and what may have been its final meal.

This dinosaur’s skull was light as air but its mouth was packed with power—and a unique ability to quickly grow teeth. Here’s how Nigersaurus was built for nonstop grazing. The cast of the skull of ...

When did these blockhead dinosaurs get their domes? A new fossil is “the specimen we have all been waiting for.” In this artist's reconstruction, two pachycephalosaurs from the new species Zavacephale ...

A new study sheds light on how these reptiles become “mummies” and paints a picture of what these ancient animals looked like. Paul Sereno and his colleagues spent years painstakingly preparing this ...

Radioactive minerals in eggshells can help scientists pinpoint a fossil’s age with stunning accuracy. Scientists excavate dinosaur egg nests in Mongolia's Eastern Gobi Basin. National Geographic ...