Scientists in Japan study stress released by oceanic earthquakes in newborn sections of seafloor.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
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Ocean Showers Power the Global Electric Circuit
Satellite measurements confirm hundred-year-old observations collected by boat.
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Modeling Beijing’s Water Crisis
Beijing’s growing population is rapidly draining its water supplies. A new study examines how land use change affects groundwater storage beneath the megacity.
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Jets of Ionospheric Cold Plasma Discovered at the Magnetopause
The lower-energy particles may play a larger role in magnetic reconnection than previously believed, influencing space weather near Earth.
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Microfossils Illuminate Ancient Ocean Currents
Researchers use dissolved silicon concentrations to map out how currents may have changed millennia ago in the Pacific.
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Can Large Electric Fields Power Jupiter’s X-ray Auroras?
Electric fields with megavolt potentials in Jupiter’s polar region accelerate particles to 100 times more energy than Earth’s typical auroral particles, a new study finds.
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Imaging the Underlying Mechanics of New Zealand Earthquakes
Researchers create a first-of-its-kind image to map electrical properties of rocks and minerals throughout the Hikurangi subduction zone.
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How Earth’s Outer Radiation Belts Lose Their Electrons
A new analysis of three space storms reveals the mechanisms of particle loss from the Van Allen belts.
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The Microphysics of Squall Lines
Scientists tracked the distribution of raindrops of different sizes as a row of thunderstorms formed by a cold front developed and intensified over eastern China.
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Is There a Greenhouse Effect in the Ionosphere, Too? Likely Not
Controversial observations of long-term changes in the ionosphere appear to be explained by the Sun’s 11-year cycle of activity, not human greenhouse gas emissions.