Researchers excavate earliest ancient Maya salt works at Jay-yi Nah, which turned out to be much older than the other underwater sites
Who built the LSU campus mounds provides insight into these prehistoric treasures; recent papers have offered alternate interpretations of their age
New research shows Louisiana State University campus mounds as the oldest known man-made structures in North America
Anthropologists discovered a tool made out of high-quality translucent jadeite with an intact rosewood handle at a site where the ancient Maya processed salt in Belize