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

Okay, so you know how pocket knives can sometimes accidentally open up in your pocket or bag? Japanese hardware brand Titaner ...

Aztec obsidian knives from the Templo Mayor of Tenochtitlán Credit: JoaquinVilaG / Wikimedia Commons Archaeologists from Tulane University and the Templo Mayor Project of Mexico’s National Institute ...

The Aztecs didn't discover obsidian. It was already the most common raw material in Mesoamerica when they arrived in the ...

Obsidian could be shaped into sharp tools like blades. Miniature weapons, such as this small knife, were buried as offerings at Tenochtitlán. The artifacts examined in the study were uncovered ...