Dec 1 (Reuters) - More than half a millennium ago, Aztec warriors brandished a weapon called a macuahuitl, a wooden club with jagged obsidian blades embedded on its sides, to inflict gruesome wounds ...

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 ...

Ankylosaur armor could likely withstand the impact of a high-speed car crash, the best-preserved dinosaur fossil on record has revealed. The fossil belonged to a nodosaur, a plant-eating dinosaur that ...

The body of Spicomellus, an armoured dinosaur (ankylosaur) from Morocco, was covered in extravagant spines, including spikes measuring nearly one metre in length that extended from a bony collar ...

A dinosaur fossil found in Morocco may be the most bizarrely and elaborately armoured vertebrate that has ever walked the planet. The first fossil of Spicomellus afer was discovered in Morocco and ...