Variations in Earth’s magnetic field can induce electric fields in the ground, driving damaging currents through our power grids.
Space weather
Posted inResearch Spotlights
What Causes GPS Signal Loss on Satellites like Swarm?
Using data from the European Space Agency's Swarm mission, scientists find that abrupt drops in the ionosphere's electron density may cause low-orbiting satellites to lose contact with GPS satellites
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 inScience Updates
Aurorasaurus Puts Thousands More Eyes on the Sky
Citizen scientists share real-time auroral sightings to advance research.
Posted inResearch Spotlights
Gamma Ray Bursts Leave Their Mark in the Low Ionosphere
Scientists use very low and low-frequency radio signals to detect short gamma ray bursts and their impact on the low ionosphere.
Posted inResearch Spotlights
Sun's Magnetic Fields Best at Forecasting Solar Cycle Peaks
Models based on the Sun's polar magnetic fields performed best in simulating the solar cycle and predicting solar behavior.
Posted inResearch Spotlights
New Model Predicts Big Solar Proton Storms
Forecasts of dangerous solar events could buy time for astronauts en route to the Moon or Mars.
Posted inResearch Spotlights
Space Weather Gains National and International Attention
A heightened understanding of geomagnetic disturbances in a high-tech world encourages policy changes in the United States and abroad.
Posted inResearch Spotlights
Electric "Tornadoes" in Space Drive Disturbances Down to Earth
New simulations show how shocks in space can trigger vortexes in Earth's magnetic field, causing magnetic disturbances that are detectable from the ground.
Posted inEditors' Vox
Annual SWEF Raises Awareness Across the Space Weather Enterprise
Reducing our nation's vulnerability to space weather is now a national priority, as conveyed when experts gathered for the 2015 Space Weather Enterprise Forum.