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Rocks

An atlas of rocks and minerals: each one a record of the conditions that made it.

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Opalized Fossils of Lightning Ridge

Introduction

In August 2013, an Adelaide opal buyer named Mike Poben...

June 14, 2026

  • Paleontology

Why Are There Seashells on Top of Mount Everest?

Introduction

Sometime between 1504 and 1510, in the Italian Apennines, Leonardo...

June 8, 2026

  • Paleontology

Did Earth Have Rings? The Ordovician Asteroid Halo Mystery

In September 2024, a Monash University team proposed that Earth had a Saturn-like ring...

May 26, 2026

  • Paleontology

Tanis: The Hour the Dinosaurs Died, in One Layer

A paddlefish, upside down in sandstone, with glass beads packed between its gill rakers....

May 19, 2026

  • Paleontology

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