Manganese deposits in Gale Crater fractures are similar to Earth features that usually require flowing water and highly oxidizing conditions.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
Posted inResearch Spotlights
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.
Posted inResearch Spotlights
Going Against the Flow: Documenting Seasonal Current Reversal
Scientists discover the source of a coastal Korean current that reverses its flow in the summer.
Posted inResearch Spotlights
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.
Posted inResearch Spotlights
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.
Posted inResearch Spotlights
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.
Posted inResearch Spotlights
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.
Posted inResearch Spotlights
A New Mechanism for Nitrogen Cycling in the Southern Ocean
A nitrite-oxidizing enzyme may work in reverse for some microbes in the Antarctic autumn.
Posted inResearch Spotlights
Tackling the Paris Temperature Targets
The global temperature targets established in Paris in 2015 are ambitious; new research examines what it would take to achieve those targets.
Posted inResearch Spotlights
How Irrigation in Asia Affects Rainfall in Africa
Up to 40% of the total rainfall in arid parts of East Africa may be caused by water vapor from farming practices in South Asia.