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Earth science

Workers on construction site
Posted inAGU News

Digging Deep

by Caryl-Sue Micalizio 19 December 202419 December 2024

Surging demand for lithium and other elements is redefining the relationship between the geosciences and the mining industry.

A metal pole with a small gray-green dome, anchored to bare rock. Glacial ice is visible in the background.
Posted inNews

Greenland Ice Sheet Stores Hidden Water Throughout the Melt Season

by Matthew R. Francis 19 December 202419 December 2024

A new method uses stations around Greenland’s coast to measure how much meltwater weighs down the bedrock beneath the ice, improving our understanding of its contribution to sea level rise.

Eighteen photos in a grid. Each features a background of green light reminiscent of the northern lights, with clusters of red dots in the middle.
Posted inResearch Spotlights

Radar Reveals Electrical Activity in the Ionosphere

by Saima May Sidik 18 December 202416 July 2025

A new method could improve understanding of communication disruptions.

Volcanic eruption with steam rising from a snow-covered peak.
Posted inNews

Alaska’s Mount Veniaminof Volcano Is Stealthy—Here’s Why

by Gaea Cabico 18 December 202418 December 2024

New research explains why Mount Veniaminof erupts without the usual warming signs.

Photo of rock cores.
Posted inEditors' Highlights

Diverse Seismic Response in Hectometer-Scale Fracture System

by Xiaowei Chen 17 December 202417 December 2024

An underground experiment with multi-stage stimulations reveals diverse seismic responses within a complex hectometer-scale fracture network, shedding light on induced seismicity behaviors at field scale.

Diagram from the study.
Posted inEditors' Highlights

Logjams Promote Floodplain Complexity and Hydraulic Resistance

by Valeriy Ivanov 17 December 202417 December 2024

Using a new model, scientists compare logjam hydraulic impact across 37 reaches observed over 11 years in the Colorado Rockies.

View of a wide creek surrounded by trees
Posted inNews

Mobile Bay Has More Branching Brooks Than Shown on Federal Maps

by Mark DeGraff 16 December 202416 December 2024

A more accurate charting of the full extent of stream networks will help land managers better protect U.S. creeks and rivers.

A satellite image of an atmospheric river over the ocean heading toward California
Posted inNews

California Storms Recharged Watersheds, Geodesy Data Reveal

by Caroline Hemphill 13 December 202413 December 2024

The atmospheric rivers that soaked the state in early 2023 released enough water to warp the ground and douse a deep drought.

The sunny side of Earth as viewed from the Deep Space Climate Observatory.
Posted inNews

Scientists May Have Found Another Viscosity Shift in the Mantle

by Perri Thaler 12 December 202412 December 2024

The proposed distinction could improve Earth models.

Satellite imagery of Alaska’s coastline. Fans of gray and brown silt appear stacked on top of each other in the blue ocean.
Posted inNews

Coastlines Around the World Are Losing Sediment

by J. Besl 12 December 202412 December 2024

A new tool maps coastal sediments on the basis of water color. It shows that 75% of the world’s coastlines may be losing suspended sediment.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

The Speedy Particles That Could Help Us Learn More About Uranus

18 June 202618 June 2026
Editors' Highlights

Where Methane is Emitted Matters for Global Burden

18 June 202616 June 2026
Editors' Vox

Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

4 June 20263 June 2026
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