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Earth science

Two people install a permeable reactive barrier next to open water.
Posted inNews

Reactive Barriers Could Keep Nitrate out of the Atlantic

by Alix Soliman 15 July 202415 July 2024

Microbes in mulch scrub nitrate from groundwater before it flows to the sea.

A scientist in a silver suit inserts a long metal tube into glowing orange lava and dark gray rock.
Posted inENGAGE, News

How Liquid Is That Lava?

by Rebecca Owen 12 July 202419 August 2024

A new device helps scientists measure lava viscosity during active flows.

A van labeled “Extremophiles” stands next to ladders extending into a small, deep pit dug into the Atacama Desert.
Posted inNews

Researchers Find Bacterial Communities Deep Beneath the Atacama

by Alejandro Pardo 12 July 202411 July 2024

Extremophile microbes exist in the gypsum-rich “fringes” of the driest place on Earth.

A screenshot of a video taken from a deep-sea remotely operated vehicle shows white ash settled on the seafloor near the Hunga eruption in Tongan waters.
Posted inNews

The Tonga Eruption Left Deep-Sea Life Buried in Ash

by Andrew Chapman 11 July 202411 July 2024

When Hunga erupted in 2022, ash “decimated” slow-moving species living on the seafloor. More mobile species were able to hoof it out of harm’s way.

Photomicrographs of minerals.
Posted inEditors' Highlights

Unlocking Earth’s Terrestrial Sedimentary Record with Paleosols

by Maria Giuditta Fellin 9 July 20241 July 2024

Harnessing the micro-stratigraphy of pedogenic carbonates, scientists have demonstrated that age determination of fossil soils is possible via uranium-lead dating.

A montage of fossils.
Posted inNews

New Zealand Has a Unique Fossil Record Named FRED

by Kate Evans 9 July 202424 September 2024

The near-complete database reflects a spirit of trust and collaboration among the country’s scientific community—but will it last?

Italy’s Mount Etna, snowcapped and beneath a sky of puffy white clouds.
Posted inResearch Spotlights

Improved Imaging Offers New Insight into Mount Etna

by Rebecca Owen 9 July 20249 July 2024

Anisotropic tomography provides a more complete picture of the Sicilian volcano’s inner workings.

Illustration of soil desiccation cracking
Posted inEditors' Highlights

New Observations Provide Insight into Soil Desiccation Cracking

by Sujith Ravi 8 July 20241 July 2024

A new application of distributed fiber optic sensing provides early detection of soil desiccation cracking behavior and illustrates, for the first time, the phenomenon of soil crack breathing.

大地震地表破裂的航空影像。
Posted inResearch Spotlights

断裂成熟度和断裂走向,哪个对大地震更重要?

Sarah Stanley, Science Writer by Sarah Stanley 8 July 20248 July 2024

对青藏高原2021年玛多地震的详细研究表明,与先前的假设相反,断裂走向对地震破裂动力学特征的影响有时会超过断裂成熟度的影响。

Re-created Neolithic homes on the shore of Lake Orestiada
Posted inNews

Cosmic Rays Shed Light on Stone Age Timelines

by Caroline Hasler 5 July 20243 July 2024

Signatures of a long-ago solar storm, recorded in tree rings, helped researchers date a 7,400-year-old settlement in northern Greece.

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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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