The art of obsidian knife making ...

“The Aztecs called them the ‘butterfly of obsidian knives,’ Itzpapalotl,” Díaz Batres said. “And in northern Mexico they’d fill many of these cocoons with little stones and put them ...

Two “Four Mirrors” moths named for the transparent ovals on their wings cling to a thread, mating for hours just after emerging. Each moment is rare, delicate, and mesmerizing. (Image: AP) ...

Díaz Batres said: “The Aztecs called them the ‘butterfly of obsidian knives,’ Itzpapalotl. And in northern Mexico they'd fill many of these cocoons with little stones and put them on their ...

Díaz Batres said: “The Aztecs called them the ‘butterfly of obsidian knives,’ Itzpapalotl. And in northern Mexico they'd fill many of these cocoons with little stones and put them on their ankles for ...

Researchers found 788 obsidian artifacts, including sacrificial knives, blades, and ear spools, at the Temple Mayor in Tenochtitlan. Roughly 90 percent of the artifacts were sourced from Sierra de ...

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 ...