As a volcanic eruption darkened the sun roughly 4,900 years ago, a Stone Age culture sacrificed hundreds of decorated stone plaques to try to coax it back. A trove of engraved stones unearthed ...
Photo from Xavier Sicart Chavarría via INAH Hidden beneath the rainforest of southern Mexico sit the ruins of a massive ancient Maya settlement. Archaeologists knew of the site since the 1980s ...