Archaeologists working in Mexico City have unearthed hundreds of obsidian artifacts dating back to pre-Columbian Mesoamerica ...

The Aztecs were big fans of obsidian, and often used the razor-sharp volcanic glass to slice through the chests of human ...

Archaeologists from Tulane University and the Templo Mayor Project of Mexico’s National Institute of Anthropology and History ...

Researchers have discovered ancient food remnants on obsidian blades recovered from Rapa Nui — also known as Easter Island. An analysis of the starch grains reveals that the island’s earliest ...