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Earth science

A bolt of lightning flashes across a night sky.
Posted inNews

Salt Spray May Stifle Lightning over the Sea

by Carolyn Wilke 1 November 20224 November 2022

New research suggests that sea-salt aerosols seed large raindrops that starve clouds of water needed to make lightning. But not all scientists are convinced it’s simply about salt spray.

Una distintiva nube en forma de hongo producto de una prueba nuclear se alza en un cielo azul oscuro y nubes atmosféricas.
Posted inNews

Una explosión de radiocarbono del pasado

by Caroline Hasler 31 October 202222 March 2023

El fechamiento por radiocarbono es un pilar de la climatología y la arqueología. Sin embargo, esta metodología se encuentra amenazada por las emisiones de combustibles fósiles, que invalidan una señal útil proveniente de pruebas nucleares.

Photo of a dry Peabody River—brown and gray boulders in a streambed in center, surrounded by greenery.
Posted inNews

U.S. Streams Are Drying Up

by Jennifer Schmidt 28 October 20228 November 2022

A new study reports that streamflow drought is getting more intense in some parts of the United States, a phenomenon that is stressing the nation’s water policy and infrastructure.

Un diagrama mostrando varios ciclos del agua en la Tierra. Se pueden observar en azul los reservorios del agua como los ríos, nubes, océanos y lagos.
Posted inNews

Este no es el ciclo del agua que conociste en tu infancia

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 27 October 202222 March 2023

El USGS (servicio geológico de los EE.UU.) acaba de sacar un diagrama del ciclo del agua completamente renovado, con los humanos como protagonistas.

A mass of steaming, orange-glowing lava consumes a street sign as it flows over a roadway.
Posted inResearch Spotlights

A Better Operational Lava Flow Model

by Morgan Rehnberg 26 October 202226 October 2022

By segmenting the vertical structure of a lava flow, the Lava2d model provides more realism to operational lava forecasts.

Aerial view of tributaries entering a larger river with an inset close-up of aquatic plants
Posted inResearch Spotlights

High-Frequency Monitoring Reveals Riverine Nitrogen Removal

by Saima May Sidik 25 October 202226 October 2022

Years of daily readings provide an unprecedented view into how a submerged aquatic meadow kept nitrogen from reaching the St. Lawrence Estuary as well as insights on how climate change may alter it.

2011年Tōhoku地震后日本Wakuya的鸟瞰图,显示出俯冲地震的破坏力。对太平洋俯冲带的持续重力监测有助于识别出大地震可能发生的地方。图片来源: U.S. Navy/Mass Communication Specialist 3rd Class Alexander Tidd, CC BY-NC 2.0
Posted inResearch Spotlights

东日本大地震前几个月的重力变化

Sarah Derouin, Science Writer by Sarah Derouin 25 October 202225 October 2022

研究人员利用GRACE卫星数据发现了发生在地球深部的地震事件之前的重力异常信号。

A lightning bolt appears amid clouds of ash and steam that are billowing from a volcano high into the atmosphere over the ocean.
Posted inResearch Spotlights

Tracking Water in the Tongan Volcano’s Massive Eruption Plume

Sarah Stanley, Science Writer by Sarah Stanley 24 October 202230 November 2022

The recent eruption of the Hunga Tonga–Hunga Ha‘apai volcano blasted sulfate aerosols and a record-breaking amount of water vapor into the stratosphere.

La visión de un artista que nos ofrece una visión de la formación de los planetas: Cerca de la estrella, las partículas de polvo se convierten en planetesimales y planetas similares a la Tierra. En la parte más lejana, el gas se acumula en los núcleos planetarios para la formación de gigantes similares a Júpiter.
Posted inNews

Isótopos de criptón proporcionan nuevos indicios sobre el pasado de los planetas

by Carolyn Wilke 21 October 202217 March 2023

Para determinar cómo los elementos cruciales para el desarrollo de la vida llegaron a la Tierra, los científicos estudian los gases nobles. Actualmente, métodos mejorados traen consigo nuevos indicios a partir del criptón, el gas noble más enigmático.

Aerial photograph showing melt ponds in a raft of sea ice. The shadow of the airplane is cast over the ice.
Posted inNews

Satellites Get First Full-Year View of Arctic Sea Ice Thickness

by Erin Martin-Jones 20 October 202222 March 2023

The AI-based monitoring method may unlock data that could improve shipping safety and climate predictions.

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Features from AGU Publications

Research Spotlights

Machine Learning Simulates 1,000 Years of Climate

27 August 202527 August 2025
Editors' Highlights

Equatorial Deep Ocean Response to the Madden-Julian Oscillation

27 August 202526 August 2025
Editors' Vox

Waterworks on Tree Stems: The Wonders of Stemflow

21 August 202520 August 2025
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