Fires in Africa and Southeast Asia contributed to western Pacific pollution, a study finds. Prior understanding attributed hefty levels of the harmful agent and greenhouse gas to natural processes.
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Posted inNews
Scientists Discover a New Source of Atmospheric Carbon Dioxide
In an African region where continental crust is pulling apart and fracturing—the East African Rift zone—the area's many faults are slowly releasing a large amount of carbon dioxide.
Posted inResearch Spotlights
Decoding the Radio Transmissions of Shooting Stars
Spectacular fireball meteors don't just light up the night sky—recent observations show they also emit mysterious high-frequency radio waves. Now scientists think they understand why.
Posted inResearch Spotlights
Forecasting Eruptions at Restless Calderas
Scientists review decades of data on swarms of earthquakes, surface deformation, degassing, and microgravity changes around calderas to determine when such forms of unrest may result in eruptions.
Posted inAGU News
AGU Signs Agreement with Council on Undergraduate Research
Collaboration between the scientific society and the educational organization aims to foster research opportunities and diversity in undergraduate geoscience education.
Posted inNews
Record Global Warmth in 2015, but Some Places Bucked the Trend
As the planet's average surface temperature jumped to a new high last year, variations in ocean conditions on a smaller scale led to some distinct deviations from the overall pattern.
Posted inNews
Arctic States Nearing Science Cooperation Pact
Negotiations are focusing on removing obstacles to conducting research rather than on setting international scientific priorities. Research priorities among Arctic nations already overlap considerably, according to a U.S. negotiator.
Posted inResearch Spotlights
A Big Climate Driver in a Small Ocean Basin
Scientists review Atlantic Ocean circulation variability and its applications for predicting decadal climate variation.
Posted inResearch Spotlights
Satellites Reveal the History of the Moon's "Frigid Sea"
The history of aluminum-rich basalts in Mare Frigoris may help scientists better understand the evolution of the lunar mantle.
Posted inResearch Spotlights
P Wave Amplitude Decay Offers a Glimpse of Earth's Structure
Scientists look at deep earthquake signals to map how seismic waves lose energy in the upper mantle across the United States.