Thunder beasts ... The evolutionary pattern could reveal potential causes, such as getting larger and larger to ward off predators or accessing untapped food sources in the ancient environment.

With fossils found in North America, these ancient mammals get their imposing moniker from a legend of the Sioux nation. The legend tells of thunder horses that stampeded across the plains during ...

Spanish historical documents describe Chocorvos beliefs in thunder, lightning, earthquake and water deities. Supernatural convictions may have inspired ancient ceremonies at Viejo Sangayaico that ...