NASA’s MERRA-2 reanalysis of past weather and climate reveals substantial shifts in extreme heat seasonality over the past 45 years.
Editors’ Highlights
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Dust and Marine Halogens Team Up to Destroy Tropospheric Ozone
Mineral dust-activated halogen chemistry is an important yet under-studied natural sink of the tropospheric ozone with implications for the Earth’s oxidative balance, crop yields, and human health.
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Reading Fault Stress from the Rhythm of Earthquakes
T-rate, a new Bayesian tool that reconstructs changing fault stress from earthquake rates, reveals a late stress increase before the 2008 Reno–Mogul magnitude 5.1 earthquake.
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Extreme Equatorial Storms are Larger and More Persistent Under Warming
Extreme storms in the tropical regions are expanding and becoming more persistent with climate warming, resulting in higher storm rainfall volumes while peak intensity remains unchanged.
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Remote Sensing Mitigated the Impact of the 2025 Los Angeles Wildfires
Airborne Visible Infrared Imaging Spectrometer 3 (AVIRIS-3) observations supported situational awareness, inspections, infrastructure assessment, and debris-flow management.
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Waves Play a Key Role for Lateral Stirring and Mixing of Ocean Tracers
Numerical models and theoretical considerations deliver new insights on how waves affect the movement of tracers in wave-rich environments.
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Earth Greening Under Water Stress
Worldwide patterns of increased plant water stress reveal water limits to vegetation greening.
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Unveiling Atmospheric Circulation on Mars with Magnetic Field Data
Not only can the magnetometer on NASA’s MAVEN satellite track magnetic fields on Mars; it can also track atmospheric circulation – using machine learning.
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User-Friendly Interface for Trace Element Open-System Melting Model
A 2001 model predicts trace element distributions in melts and residues of open-system mantle melting and melt migration. New software lets anyone apply this model despite its complex equations.
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Long-Term Datasets are Essential to Understanding Coastal Change
A multi-decadal field dataset combined with reduced-complexity modeling approach highlights the importance of shoreline change in controlling alongshore variability of dune evolution.