The new research suggests that this dinosaur's armor was adapted for fighting between members of Borealopelta markmitchelli.

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Evidence suggests armoured dinosaurs were getting into fights with each other. Armoured dinosaurs are thought to have developed their thick skin as a way to defend themselves against predators.

Uncovering Dinosaur Behavior David Hone Princeton Univ., $29.95 ...

Fossils in Chile have revealed a new dinosaur species with a spiked tail for stabbing and slicing. The new type of dinosaur named the Stegouros has a tail "resembling an Aztec war club ...

On Tuesday, that fight ended: The North Carolina Museum of Natural Sciences bought the dinosaurs for $6 million, according to the Charlotte Observer. The 30,000-pound fossils will soon arrive at ...