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Earth science

A map of what Pangea Ultima, which should form in about 250 million years, will look like
Posted inENGAGE, News

Future Supercontinent Will Be Inhospitable for Mammals

by Rebecca Owen 8 November 20238 November 2023

Pangea returns in 250 million years, and it’s not looking good for us.

Map of study area with symbols.
Posted inEditors' Highlights

Machine Learning Identifies Source Volcanoes of Ash Deposits

by Paul Asimow 8 November 20236 November 2023

Tracing ash layers from explosive eruptions back to their source volcanoes is needed to evaluate hazards to population and aviation, a problem addressed by a new machine learning classification method.

Diagram showing nitrogen transformations.
Posted inEditors' Highlights

Reporting Model Results Even When They Cannot (Yet) be Tested

by Susan Trumbore 7 November 20233 November 2023

Models simulating the nitrogen cycle track its multiple chemical forms but tend to report a subset that can be compared with available field measurements.

Una vista de la Space Needle de Seattle y sus alrededores con una bahía al fondo.
Posted inNews

Revolucionando la ciencia de los terremotos en Cascadia

by Caroline Hasler 7 November 20237 November 2023

Un nuevo centro reunirá a científicos de sismos para estudiar la zona de subducción de Cascadia y aclarar los peligros sísmicos.

A mound of clay in a flow tunnel is eroded by water.
Posted inNews

Did These Curious Rock Formations Inspire the Great Sphinx?

by Nathaniel Scharping 3 November 20233 November 2023

New research says it’s plausible the Great Sphinx started life as a geomorphological oddity known as a yardang.

Photo of 2 scientists sampling a rock outcrop.
Posted inEditors' Highlights

Should I Stay or Should I Go…To Another Paleomagnetic Site?

by Daniel Pastor-Galán 3 November 20232 November 2023

When collecting a finite number of paleomagnetic samples, having more sites, each with only one sample, achieves superior results compared to sites with multiple samples.

A row of black volcanic scones in Halema’uma’u in Hawaii eject lava into the air. The background is obscured by smoke from the lava.
Posted inResearch Spotlights

Humans Have Boosted Atmospheric Mercury Concentrations Sevenfold

by Rebecca Dzombak 3 November 20233 November 2023

A new baseline of volcanic contributions to the global mercury cycle reveals how drastically human activities have increased the element’s concentration in the atmosphere.

A creek with tufts of grass growing in it winds through a rocky landscape
Posted inNews

Water Corridors Helped Homo sapiens Disperse out of Africa

Katherine Kornei, Science Writer by Katherine Kornei 2 November 20232 November 2023

Wetland conditions during the last interglacial period in parts of the Levant helped propel our ancestors into Arabia, new research suggests.

Photo of trees in front of a large mountain.
Posted inEditors' Highlights

Grow-Fast-Die-Young Strategy Increases Swiss Forest Biomass

Eric Davidson, president-elect of AGU by Eric Davidson 2 November 202331 October 2023

Climate change and CO2 fertilization can increase both growth and mortality of trees. The net effect on forest biomass depends on that trade-off, which long-term studies in Switzerland reveal.

Illustration of a computer screen with mountains and a river.
Posted inEditors' Vox

Advancing AI and Machine Learning Beyond Predictive Capabilities

by Dipankar Dwivedi, Xingyuan Chen, Chaopeng Shen and Harihar Rajaram 1 November 202331 October 2023

A new cross-journal special collection invites contributions that unlock the next frontier in hydrology and Earth sciences through artificial intelligence and machine learning.

Posts pagination

Newer posts 1 … 76 77 78 79 80 … 160 Older posts
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

Solar Storms Can Affect Earth’s Weather. A New Study Examines How.

23 June 202623 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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