The earliest known armored dinosaur did not just carry a few defensive plates, it bristled with spikes so extreme that its neck looked like a living barricade. New research on this Jurassic ankylosaur ...

The world's most unusual dinosaur is even stranger than first realized. Research published in Nature reports that Spicomellus afer had a tail weapon more than 30 million years before any other ...

Paleontologists have revealed a new species of armored dinosaur with a "tail club" that served as a weapon. The dinosaur, named Huaxiazhoulong shouwen, would likely have measured around 20 feet in ...