Investigating oxalate minerals in the Atacama Desert provides a terrestrial analogue to test techniques that could be used to study the carbon cycle in the cold deserts of Mars.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
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The Quest to Understand Reversals in Earth's Magnetic Field
A review of the major features of the geomagnetic reversals preserved in Earth's rock record helps to answer the question, Which data could advance our understanding of these poorly described events?
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Cold Temperatures Set Off Slow-Moving Landslides
Falling ground temperatures in the cold season are found to trigger shallow, slow-moving landslides on slopes with clayey soil.
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Minerals Hint at Liquid Groundwater, More Oxygen in Mars's Past
Manganese deposits in Gale Crater fractures are similar to Earth features that usually require flowing water and highly oxidizing conditions.
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Predicting Space Weather, Protecting Satellites
A new model predicts electron and ion fluxes at geosynchronous orbit an hour ahead of time, allowing satellite operators to protect their instruments.
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Going Against the Flow: Documenting Seasonal Current Reversal
Scientists discover the source of a coastal Korean current that reverses its flow in the summer.
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An Ancient Sea Once Separated the Pacific and Indian Oceans
Seafloor under the hypothesized East Asian Sea vanished 10 million years ago as surrounding plates swallowed it up, according to new reconstructions of plate tectonics in the Philippine Sea region.
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Tracking Ions at the Edge of the Atmosphere
The first results from a recently launched satellite hold promise for studying solar storms, the very top of Earth's ionosphere, and how the atmosphere is evolving.
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Water Subsidies May Not Be Going to Those Who Need Them Most
A new study finds a widely used water tariff does not effectively deliver subsidies to intended beneficiaries in Nairobi, Kenya.
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Mapping the Movement of Energy Under Japan
New research on the energy waves caused by earthquakes provides the most detailed map to date of the subduction zone beneath Japan.