A new ankylosaur species found in Chile may be an early version of the armored creatures A newly discovered species of ankylosaur had a bizarre club on its tail unlike that of any known dinosaur. Soto ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Paleontologists work at the place where the fossilized bones of the Stegouros elengassen were found, a newly identified armored ...