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geophysics

A person speaks into a microphone in front of a background display with cartoon explosions and seismic squiggles.
Posted inFeatures

Susanne Maciel: Marrying Mathematics and Geology

by Meghie Rodrigues 28 July 202528 July 2025

A geophysicist brings math down to Earth and reaches a rural audience.

A heavily damaged section of boardwalk covered in rocks winds over muddy, debris-covered ground with steam rising from the ground in the background
Posted inFeatures

Hydrothermal Hazards on Display in Yellowstone National Park

by Lauren Harrison, Michael Poland, Mara Reed, Ken Sims and Jefferson D. G. Hungerford 27 June 20253 July 2025

Tourists and officials were startled by a hydrothermal explosion at Black Diamond Pool in July 2024. Geoscientists are working out how and why it occurred to better understand these hazardous events.

A silver-colored spacecraft orbits above a red-colored planet with craters visible on its surface.
Posted inNews

Scientists Spot Sputtering on Mars

Katherine Kornei, Science Writer by Katherine Kornei 24 June 202524 June 2025

Nearly a decade’s worth of data went into the first direct observation of sputtering on Mars, which researchers believe contributed to the loss of the Red Planet’s atmosphere.

A network of antenna sticks up from a snowy landscape and connected by mesh wires stretch far off into the distance. Snowy mountains are on the horizon.
Posted inResearch Spotlights

Nudging Earth’s Ionosphere Helps Us Learn More About It

Sarah Stanley, Science Writer by Sarah Stanley 17 June 202517 June 2025

New observations and simulations capture the physics at play across each of the three main ionospheric regions.

Four seemingly identical, octagonal, disklike structures, each with several various thin antennas extending outward at various angles, appear to be floating in a closely spaced cluster in space. In the background, on the right side of the image, is the round shape of the planet Earth, encircled by translucent, overlapping blue and purple lines.
Posted inResearch Spotlights

New Insights into an Enigmatic Form of Magnetic Reconnection

Sarah Stanley, Science Writer by Sarah Stanley 11 April 202511 April 2025

A new study deepens understanding of magnetic field behavior recently discovered by NASA in Earth’s magnetosphere.

Illustration of a cross section of Earth with magnetic field lines.
Posted inEditors' Vox

An Earth System Science Approach to Geophysics

by Steven R. Dickman 1 April 202528 March 2025

With an underlying universal theme of convection, a new textbook introduces upper-level geology, geophysics, physics, and engineering students to the geophysics behind the Earth System.

Close up view of the surface of dark-colored rock containing several large pale green crystals. The tip of a pen appears beside the rock for scale.
Posted inScience Updates

The Deep Frontier of Mantle Magma Supply

by Ben Black, Samer Naif, Forrest Horton, Andrea Goltz and Cian Wilson 25 March 202525 March 2025

Compared with crustal magma systems, little is known about the deep sources of volcanic supply chains. Interdisciplinary efforts can help answer key questions about how magma migrates from the mantle.

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.

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Features from AGU Publications

Research Spotlights

How Earthquakes Shake Up Microbial Lake Communities

24 July 202524 July 2025
Editors' Highlights

Why Crop Yield Decreases at High Temperatures

29 July 202529 July 2025
Editors' Vox

JGR: Space Physics Launches New Instrumentation Article Type

23 July 202521 July 2025
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