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geology

Illustration of a cross section of Earth with magnetic field lines.
Posted inEditors' Vox

An Earth System Science Approach to Geophysics

by Steven R. Dickman 1 April 202528 March 2025

With an underlying universal theme of convection, a new textbook introduces upper-level geology, geophysics, physics, and engineering students to the geophysics behind the Earth System.

Small boats on a small, drying river
Posted inNews

Brazil’s Rivers Are Leaking

by Sofia Moutinho 28 March 202528 March 2025

Wells overpumping groundwater could be forcing rivers to seep underground, a new study shows. Regions with intensive irrigation activities are at the most risk.

The Los Angeles River passes under a bridge at sunset.
Posted inNews

Seismometers Provide Fuller Picture of Los Angeles Groundwater

by Grace van Deelen 19 March 202519 March 2025

A new method to evaluate deep aquifers shows even torrential rains haven’t fully replenished groundwater beneath Los Angeles.

The summit of Mount Everest soars above other peaks of the Himalayas.
Posted inFeatures

How to Build the World’s Highest Mountain

by Nathaniel Scharping 13 February 202513 February 2025

The rocks of Mount Everest’s peak made an epic journey from seafloor to summit.

Microscopic image of the mineral pyrrhotite
Posted inNews

Home Foundations Are Crumbling. This Mineral Is to Blame.

by Benjamin Cassidy 7 January 20257 January 2025

Pyrrhotite causes cracks in concrete. But research on how widespread the issue might be has only scratched the surface.

Una masa de agua de color aguamarina en un paisaje desértico. El borde del agua tiene material cristalizado de color blanco.
Posted inNews

Nevada tiene montones de litio. Esta es la razón.

by Evan Howell 7 January 20257 January 2025

Nevada se está convirtiendo en un gran productor de litio, gracias a la topografía, el clima y la serendipia geológica.

An aquamarine body of water in a desert landscape. The water’s edge has white crystallized material.
Posted inNews

Nevada Has Loads of Lithium. Here’s Why.

by Evan Howell 31 October 202428 March 2025

Nevada is becoming a major producer of lithium, thanks to topography, climate, and geologic serendipity.

A photo depicts a landscape with three large hills in the background and rocks and shrubs in the foreground.
Posted inNews

Here’s Why Resolution Copper Wants to Mine Oak Flat

by Grace van Deelen 16 October 202419 December 2024

Southeastern Arizona’s “Copper Triangle” is a hot spot for high-grade deposits, thanks to ancient magmatic activity.

Mount Everest seen from far away
Posted inNews

A Pirate River May Be Giving Mount Everest a Boost

by Nathaniel Scharping 30 September 202430 September 2024

Rapid erosion can cause mountains to rise—even the world’s tallest peak.

A deep canyon, which can form when rocks shift.
Posted inResearch Spotlights

High-Pressure Reactions Can Turn Nonporous Rocks into Sponges

by Saima May Sidik 23 September 202423 September 2024

Mathematical models describe how water moves through rocks in deep Earth.

Posts pagination

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A view of a Washington, D.C., skyline from the Potomac River at night. The Lincoln Memorial (at left) and the Washington Monument (at right) are lit against a purple sky. Over the water of the Potomac appear the text “#AGU24 coverage from Eos.”

Features from AGU Publications

Research Spotlights

Mapping the Ocean Floor with Ancient Tides

6 May 20256 May 2025
Editors' Highlights

First Benchmarking System of Global Hydrological Models

7 May 20257 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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