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Editors’ Highlights

Geologic map.
Posted inEditors' Highlights

Tectonics and Deglaciation Govern Eastern-Southern Alps at Slow Rates

by Lothar Ratschbacher and Djordje Grujic 20 August 202618 August 2026

Transnational, multiproxy, and interdisciplinary datasets locate seismic hazard and show that slow-rate tectonic and deglaciation deformation overrate mantle processes in the Southern-Eastern Alps.

Diagrams from the article.
Posted inEditors' Highlights

Why Channel Steepness Might Not Always Be What You Think it to Be

by Oliver Korup 19 August 202618 August 2026

Channel steepness is a popular metric in most studies of tectonic geomorphology, but the simple and convenient method of defining channels in the first place may have overlooked a serious pitfall.

A dirt field with rocks and trees.
Posted inEditors' Highlights

Drought Extremes are Intensifying More Rapidly Than in the Past

by Alberto Montanari 18 August 2026

Twenty ensemble members from a 600-year climate simulation reveal that drought extremes are intensifying more rapidly than in the past with respect to moderate droughts.

Two visualizations of turbulent “braids”.
Posted inEditors' Highlights

How Fluid Mixing due to Kelvin-Helmholtz Instabilities Really Works

by Lars Umlauf 13 August 202613 August 2026

Physical oceanographers might have a misconception about the anatomy of mixing at realistic Reynolds numbers in this important type of shear instability. 

Map of the contiguous United States overlain with data points.
Posted inEditors' Highlights

Streamflow From Generative AI

by Stefan Kollet 12 August 202611 August 2026

The trifecta of predicting, assimilating, and downscaling streamflow has arrived with generative diffusion AI models.

A white bird flying over a wetland.
Posted inEditors' Highlights

Participation Challenges May Limit Conservation Incentive Programs

by Kathryn Semmens 11 August 202611 August 2026

Landowners in North Carolina are interested in adopting conservation practices that reduce flood risk but are discouraged by time-consuming conservation programs that are difficult to navigate.

Photo of a rock outcrop.
Posted inEditors' Highlights

Late Campanian Arabia-Eastern Anatolia Collision

by Paolo Ballato 4 August 20264 August 2026

New sediment-provenance data date the closure of the southern Neotethys and the Arabia–Eastern Anatolia collision to 74–71 million years ago, at least 25 million years earlier than previously estimated.

Diagram from the article.
Posted inEditors' Highlights

The Definitive Guide to the TEX86 Paleothermometer

by Kaustubh Thirumalai 3 August 20263 August 2026

A new review article summarizes our knowledge of how microbial lipids archived in marine sediments record ancient ocean temperatures and outlines challenges and next steps for the TEX86 proxy.

A warped image of stars in a black sky.
Posted inEditors' Highlights

A New Pathway for Energy Redistribution in Near-Earth Space

by Alberto Montanari 30 July 202629 July 2026

In situ evidence of bidirectional wave-particle energy transfer enabled by local magnetic-field gradient reveals an inhomogeneity-driven pathway for energy redistribution.

Figure from the article.
Posted inEditors' Highlights

Rising CO2 Alters Upper Atmosphere Response to Stratosphere Sudden Warming

by Huixin Liu 29 July 202627 July 2026

A whole-atmosphere model simulation shows that rising CO2 changes how the upper atmosphere and ionosphere respond to a sudden stratospheric warming (SSW), with implications for future space weather. 

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Features from AGU Publications

Research Spotlights

How the 2024 Solar Superstorm Drained Earth’s Radiation Belt

14 September 202614 September 2026
Editors' Highlights

Reading Fault Stress from the Rhythm of Earthquakes

16 September 202615 September 2026
Editors' Vox

In Appreciation of AGU’s Outstanding Reviewers of 2025

14 September 202610 September 2026
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