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Geophysical Research Letters

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A satellite image shows dark sand deposits near the south pole of Mars. The shape formed by the deposits is reminiscent of an angel with outstretched wings with a large heart under its right wing.
Posted inResearch Spotlights

Maybe That’s Not Liquid Water on Mars After All

by Rebecca Owen 21 November 202521 November 2025

A “very large roll” of a radar instrument offers new insight into a highly reflective area near the Martian south pole.

Diagram from the study.
Posted inEditors' Highlights

From Mantle Flow to River Flow: Shaping Earth’s Surface from Within

by Fabio A. Capitanio 20 November 202519 November 2025

The convection of the Earth’s mantle shapes its surface, carving fault networks into the lithosphere that can guide the course of rivers.

Stratocumulus clouds seen from above. They are arranged into clusters of white connected by wispy grids over a dark blue background.
Posted inResearch Spotlights

Understanding Cloud Droplets Could Improve Climate Modeling

by Nathaniel Scharping 10 November 202510 November 2025

The microphysical structure of cloud droplets affects behavior like precipitation. Current models may be underestimating how much these structures can vary within a single cloud.

A snow-covered mountain on an island is seen from the air, through some parted clouds.
Posted inResearch Spotlights

New Earthquake Model Goes Against the Grain

by Saima May Sidik 27 October 202527 October 2025

Subducting plates are stronger in certain directions than others, which may be a factor in how earthquakes occur and how seismic waves propagate.

An orange, soccer ball–sized sphere with electronic equipment attached to it floats in the ocean.
Posted inResearch Spotlights

Finding the Gap: Seismology Offers Slab Window Insights

Sarah Stanley, Science Writer by Sarah Stanley 15 August 202514 August 2025

Studying slow tremors has helped researchers home in on the youngest part of the Chile Triple Junction’s gap between subducting plates, which offers a window to the mantle.

4 maps from the study.
Posted inEditors' Highlights

Decadal Forecasts with a SMYLE

by Kristopher B. Karnauskas 13 August 202511 August 2025

Scientists use a large suite of simulations with an established climate model to predict the Pacific Decadal Oscillation up to one year in advance, but El Niño can still get in the way.

Figure from the article.
Posted inEditors' Highlights

Mapping the Whereabouts of Continents

by Fabio A. Capitanio 24 July 202523 July 2025

A new method integrates Interferometric Synthetic Aperture Radar (InSAR) with conventional ground geodetic networks, taking us closer to high-resolution mapping of plate motions.

A diver, wearing goggles and an oxygen tank, uses a wrench to repair an underwater cable.
Posted inResearch Spotlights

A Transatlantic Communications Cable Does Double Duty

by Saima May Sidik 16 July 202516 July 2025

A new device enables existing submarine cable networks to measure deep-sea movements. It could ultimately help improve tsunami warnings and climate monitoring.

Imagen satelital de un paisaje rocoso en tonos marrones y rojizos, con llamativos pliegues y curvas geológicas.
Posted inResearch Spotlights

Un antiguo evento de calentamiento podría haber durado más de lo que pensábamos

by Rebecca Owen 2 July 20252 July 2025

Una nueva investigación sobre el Máximo Térmico del Paleoceno-Eoceno usó análisis probabilístico para entender mejor su duración y sobre cuánto tiempo podría afectar el calentamiento moderno al ciclo del carbono.

一张从地面拍摄的田野土壤照片
Posted inResearch Spotlights

理解土壤湿度的关键可能在于简化

by Saima May Sidik 5 June 20255 June 2025

一个仅考虑降水和地表净辐射的简化模型似乎可以解决长期存在的问题。

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