The Aztec Empire once hosted an expansive trade network that brought volcanic glass to its capital from right across Mesoamerica, coast to coast. The largest compositional study of obsidian artifacts ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An obsidian ...

Aztec duck-head pendants recovered from Tenochtitlán were made using volcanic glass called obsidian. - Mirsa Islas/Courtesy Proyecto Templo Mayor, INAH Hundreds of obsidian artifacts have revealed ...

The mirror, now held in the British Museum in London, has long been suspected of being made by the ancient South American empire, but the truth was lost to history. Now, thanks to a system that ...

The Aztecs were big fans of obsidian, and often used the razor-sharp volcanic glass to slice through the chests of human sacrifices in order to extract the still-beating heart. Such was their love of ...

New archaeological research by Tulane University and the Proyecto Templo Mayor in Mexico reveals how obsidian – a volcanic glass used for tools and ceremonial objects and one of the most important raw ...

Obsidian mirror which once belonged to Dr John Dee ( 1527 1608 ), Thought to be part of the treasure brought back from Mexico by Cortes. A scryer, gazing into the mirror would see clouds of smoke ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Hundreds of ...