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geophysics

Eighteen photos in a grid. Each features a background of green light reminiscent of the northern lights, with clusters of red dots in the middle.
Posted inResearch Spotlights

Radar Reveals Electrical Activity in the Ionosphere

by Saima May Sidik 18 December 202416 July 2025

A new method could improve understanding of communication disruptions.

A rainbow-hued image of the Moon; different colors correspond to different elevations. The surface is covered in circle-shaped craters.
Posted inNews

Meteorite Sheds Light on the Moon’s Impact History

Katherine Kornei, Science Writer by Katherine Kornei 6 December 20246 December 2024

Analysis has revealed the South Pole–Aitken basin is significantly older than other impact basins on the Moon, a finding that has implications for the evolution of the early solar system.

Three Major League Baseball baseballs arranged in a row angling away from the camera. The baseball in the foreground is in focus; the others blur into the background.
Posted inNews

Geoscientists Demystify Baseball’s Magic Mud

by Elise Cutts 5 December 20245 December 2024

Taking baseball’s mysterious Rubbing Mud into the lab revealed no magic ingredients—but plenty of useful natural properties from geomaterials.

The dusty, dark gray surface of the Moon, with bootprints around a light-colored apparatus. The dark reflective face of the apparatus is angled slightly upward.
Posted inNews

The Relatively Messy Problem with Lunar Clocks

by Matthew R. Francis 14 November 202414 November 2024

Using Einstein’s theory of general relativity, physicists found that clocks on the Moon would run 56 microseconds faster than clocks on Earth. That finding will help future lunar missions navigate.

First quarter Moon. Long shadows are visible near the boundary between day and night.
Posted inNews

The Origin of the Moon’s Thin Atmosphere Might Be Tiny Impacts

by Jonathan O’Callaghan 17 September 202417 September 2024

Minuscule meteoroids slamming into the lunar surface could be kicking up most of the atoms that make up the lunar exosphere.

A satellite image of four tropical cyclones with pinwheel shapes forming in the Pacific Ocean
Posted inResearch Spotlights

Physics Meets Machine Learning for Better Cyclone Predictions

Sarah Derouin, Science Writer by Sarah Derouin 20 August 202420 August 2024

A new hybrid modeling approach combines physics-based and machine learning models to extend—and improve—path and intensity predictions of tropical cyclones.

Sarah Minson holding a cat in front of a fence.
Posted inFeatures

Sarah Minson: A Collaborative Quake Career

by J. Besl 25 July 202425 July 2024

A geophysicist thrives on teamwork at the U.S. Geological Survey.

Diagram from the paper.
Posted inEditors' Highlights

Physics + Machine Learning Provide a Better Map of Ocean Measurements

by Stephen M. Griffies and Oliver Watt-Meyer 15 July 202411 July 2024

A new study offers a compelling example where the merger of dynamical modeling, machine learning, and ocean measurements enhances oceanographic understanding, monitoring, and mapping.

A ring of yellow light in an otherwise black sky.
Posted inFeatures

The End of the Eclipse

Damond Benningfield, Science Writer by Damond Benningfield 26 March 202412 February 2025

Scientists are studying how the Earth–Moon distance has changed over time, and what effect that change might have had on our planet. Future changes will extinguish total solar eclipses entirely.

A helicity in front of ocean water.
Posted inEditors' Vox

The Twists and Turns of Helicity Studies

by Kirill Kuzanyan, Nobumitsu Yokoi, Manolis K. Georgoulis and Rodion Stepanov 15 February 202414 February 2024

A new book explores the fundamental role that helicities play in different astrophysical and geophysical phenomena and presents perspectives from various scientific disciplines that study them.

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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

As Simple as Possible: The Importance of Idealized Climate Models

28 August 202526 August 2025
Editors' Vox

Waterworks on Tree Stems: The Wonders of Stemflow

21 August 202520 August 2025
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