#gemology

Introduction: A Celestial Presence on Earth From the vantage point of the International Space Station (ISS), the Earth…

In a sprawling, open-air warehouse in the humid heat of Darwin, Australia, thousands of unassuming cylindrical rock cores…

Beneath the unassuming landscape of Ames, Oklahoma, lies a hidden testament to Earth’s violent history. For decades, geologists…

Between 2.5 and 2 billion years ago, Earth underwent a metamorphosis of unparalleled magnitude. As oxygen began its…

Southern California sits atop one of the most volatile and closely scrutinized tectonic landscapes on the planet. For…

In January 2022, the Hunga Tonga-Hunga Ha’apai volcano in the South Pacific unleashed one of the most violent…

In early September 2026, the restless Anak Krakatau—the "Child of Krakatoa"—reminded the world of its volatile power. Situated…

For decades, the “Big One” has loomed over the Pacific Northwest like a dark specter, a hypothetical catastrophe…

For decades, the heavy detritus of modern industry—coal ash, red mud, and mine tailings—has been viewed primarily as…

Nearly two millennia ago, the sky over the Bay of Naples turned to ash. As Mt. Vesuvius erupted…