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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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Ethiopia’s Hayli Gubbi Eruption After 12,000 Years

Introduction

On 23 November 2025, a shield volcano in Ethiopia’s Afar...

May 26, 2026

  • Volcanology

Diamond Anvil Reveals Earth’s Hidden Ocean

A Diamond Anvil in Guangzhou

At the State Key Laboratory of Deep Earth...

May 26, 2026

  • Mineralogy

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

First-Ever Fault Rupture Caught on Camera

How a CCTV clip from the 2025 Mandalay earthquake rewrote seismology

The afternoon...

May 25, 2026

  • Geomorphology
  • Geophysics

Argoland: The Lost Continent Hidden Under Indonesia

Introduction

Argoland is a lost continent that broke off northwest Australia roughly 155...

May 24, 2026

  • Geomorphology
  • Geophysics

Laschamps Excursion: When Earth’s Field Collapsed

Introduction

In a fourth-floor office of the Climate and Space Sciences and Engineering...

May 23, 2026

  • Geophysics

Birth of a Sixth Ocean: Inside the Turkana Rift’s Final Act

On a hillside in West Turkana, late-Miocene mudstones tilt toward the sky in alternating...

May 23, 2026

  • Geophysics

Doggerland: The Megatsunami That Drowned Europe’s Lost Land

Introduction

It is a wet September night in 1931, and the...

May 23, 2026

  • Geohazards

Greenland’s 9-Day Seismic Mystery Explained

The Dickson Fjord Landslide of September 2023

At 12:35 UTC on...

May 23, 2026

  • Glaciology

World’s Oldest Impact Crater Found in Pilbara

Introduction

On a hot morning in May 2021, Chris Kirkland, Tim Johnson and...

May 21, 2026

  • Geomorphology
  • Geophysics

Earth’s Inner Core Reverses Its Spin, Learn Why

Introduction

In June 2024, a team led by Wei Wang and...

May 20, 2026

  • Geophysics

Snowball Earth: When the Equator Froze

Introduction

In the early 1990s, Phil Schmidt and George Williams ran...

May 20, 2026

  • Geochemistry
  • Glaciology

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

Libyan Desert Glass: King Tut’s Scarab & the Impact Debate

On 29 December 1932, a Ford Model A truck ground to a halt in...

May 17, 2026

  • Geochemistry

The Great Dying: Earth’s Deadliest Extinction

Introduction

The Great Dying took place 251.902 million years ago, and...

May 16, 2026

  • Geohazards
  • Volcanology

The 1700 Cascadia Earthquake and Orphan Tsunami

On the evening of 26 January 1700, about a thousand kilometres of the...

May 15, 2026

  • Geohazards

Northern Appalachian Anomaly: The Hot Blob Drifting East

The Northern Appalachian Anomaly, Explained

In brief: The Northern Appalachian Anomaly...

May 14, 2026

  • Geophysics

The Great Unconformity: How a Billion Years of Earth’s History Went Missing

A new thermochronology study from the North China Craton argues that supercontinent tectonics, not...

May 13, 2026

  • Geomorphology
  • Geophysics
  • Petrology

LLSVPs: Hidden Giants at Earth’s Core–Mantle Boundary

Tuzo and Jason: The Continent-Sized Blobs Inside Earth

Drop straight down through the...

May 12, 2026

  • Geochemistry
  • Geomorphology
  • Geophysics

White Hydrogen: The Geological Gold Rush for the Fuel Hiding Under Lorraine, Mali, and Kansas

Natural Hydrogen: What the Geology Actually Shows

Natural hydrogen, the kind generated underground...

May 11, 2026

  • Geochemistry

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