Archaeologists found that while the Mexica primarily used green obsidian, obsidian also came from at least seven other ...

New archaeological research led by Tulane University and Mexico’s Proyecto Templo Mayor has unveiled the extensive trade ...

A new analysis of hundreds of obsidian artifacts from the Aztec Empire has revealed the vast trade networks that supplied ...

May 14, 2025 — Using advanced technology that analyzes tiny gas bubbles trapped in crystal, a team of scientists has precisely mapped how magma storage evolves as Hawaiian volcanoes ...

The ultra-thin new Piaget Polo Perpetual Calendar watch now features completely unique stone dials in blue and green hues ...

Of the eight active volcanoes on the USGC watch list, three are relatively easy to explore — Long Valley, Mt. Lassen, and ...

The Yellowstone Plateau Volcanic Field has some of the largest rhyolite lava flows on Earth. Have you ever wondered what ...

Researchers analyzed 788 obsidian artifacts from Tenochtitlan, revealing that the Mexica (Aztec) Empire sourced this important material from at least eight different locations, including regions ...

New research uncovers how obsidian artifacts reveal the vast trade networks of the Aztec Empire during Tenochtitlan’s early ...

A new archaeological study by Tulane University and Mexico’s Proyecto Templo Mayor has revealed how the Mexica Empire, also known as the Aztecs, used vast trade networks to source and trade obsidian, ...

The Yellowstone Plateau Volcanic Field has some of the largest rhyolite lava flows on Earth. Have you ever wondered what ...