It’s a long walk back to the time of the dinosaurs. Down past the sauropod skeletons, their necks snaking along a mural of an ancient plain, feathery foliage bursting from the wall, just as it did ...

Paleontologists are just beginning to uncover the evolutionary backstory of armored dinosaurs like the ankylosaur Euoplocephalus. De Agostini via Getty Images In popular depictions of paleontology, ...