New archaeological research by Tulane University and the Proyecto Templo Mayor in Mexico reveals how obsidian—a volcanic ...

Obsidian was central to Aztec life — not just for crafting sharp tools and sacred offerings, but as a reflection of political ...

Discover how an analysis of more than 700 objects reveals obsidian came into the Aztec capital from far and wide.

Now, that community — Picuris Pueblo — has asserted its ancient roots in Chaco Canyon using DNA evidence, with help from ...