Science fiction makes it seem like dinosaurs were huge reptiles. But between smaller sizes, feathers, and other factors, they ...

Tyrannosaurus rex was the top predator in North America during the last days of the dinosaurs, but there’s one dinosaur it may have given a wide berth. That dinosaur is Ankylosaurus magniventris, a ...

Whenever Ankylosaurus is mentioned—in basic cable documentaries, cheap time-travel novels, or elsewhere—you might as well just start counting the seconds until somebody inevitably compares it to a ...