When solar storms strike, they weaken Earth's defenses against harmful radiation. New satellite measurements reveal just how much.
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Posted inResearch Spotlights
Antarctica Gets a New Gravity Map
A comprehensive collection of variation in Earth's gravity could aid studies of the Antarctic geoid and of Antarctica's geology and ice sheet dynamics.
Posted inNews
Interior Department Shelves Oil and Gas Lease off Atlantic Coast
The administration moves forward with offshore plans for the Gulf of Mexico and Alaska, but its removal of an Atlantic lease sale sparks sharp responses from industry.
Posted inResearch Spotlights
Reimagining a Fatal Flood
Researchers use high-resolution simulations to reexamine the rainfall events that led to one of the most destructive floods in U.S. history.
Posted inResearch Spotlights
Hubble Gazes at Europa's Aurora
Scientists get their best glimpse yet of the shimmering phenomena on one of Jupiter's most intriguing moons.
Posted inScience Updates
Tiny Accelerometers Create Europe's First Urban Seismic Network
The system, under development in Acireale, Italy, could be used to monitor earthquakes in real time and help rescue workers focus efforts where they’re needed most.
Posted inNews
Can Carbon Dioxide Trigger Geyser Eruptions?
Researchers looking at geyser discharge water in Yellowstone National Park found that dissolved carbon dioxide could be involved in a geyser's eruption.
Posted inResearch Spotlights
Variable Mantle Lies Below Ancient Pieces of Earth's Crust
Underneath old and stable pieces of Earth's crust in North America, the mantle's uppermost portion contains multiple layers that change the velocities of seismic waves.
Posted inResearch Spotlights
Recent Studies Crack Open New Views of Glacial Crevasses
Scientists review 60 years of direct and remote observations of crevasses and the models used to simulate them.
Posted inResearch Spotlights
Uncertainty Evaluations Improve Biogeochemical Simulations
Results from the first decade-long reanalysis simulation of northwest European shelf biogeochemistry show the importance of quantifying the uncertainty in these indicators to inform marine policy.