The Sun's influence on the Earth's climate is complicated, but researchers are slowly figuring out how the solar wind can indirectly affect clouds over the poles.
magnetic fields & magnetism
Posted inNews
Smartphone App Seeks to Make Navigation Safer
The app sends local magnetic field strength along with your phone’s position and orientation to scientists, who use the data to fine-tune magnetic field models.
Posted inNews
Theodore Richard Madden (1925–2013)
Madden, an AGU Fellow and a lifelong professor of geophysics at the Massachusetts Institute of Technology, was fascinated with all things electromagnetic. He died on 11 November 2013 at age 88.
Posted inResearch Spotlights
Trapping Waves in Earth's Plasmasphere
Satellite observations explain why magnetosonic waves can be found in regions far from where they originate.
Posted inResearch Spotlights
From Magnetic Field Data, the Flow of Earth’s Core
How can researchers understand what happens at the center of the Earth when it can’t be measured directly?
Posted inFeatures
Magnetic Storms and Induction Hazards
Electric fields induced in the Earth's lithosphere during magnetic storms can interfere with the operation of electric power grids. Scientists are working to understand this multifaceted hazard.
Posted inResearch Spotlights
Measuring Solar Wind Interactions in Mars’s Exosphere
An updated analytical technique gave researchers a new look at ion cyclotron waves in Mars’s extended hydrogen exosphere.
Posted inResearch Spotlights
Minerals in Martian Meteorite Illuminate Magnetic Mysteries
What causes the magnetic anomalies found on Mars? Scientists find revealing analogues in a tiny sample of Martian rock that could help answer this question.
Posted inNews
Centenary of the Discovery of Earth’s Magnetic Field Reversals
A monument was erected to commemorate the centenary of Bernard Brunhes’s discovery of Earth’s magnetic field reversals.
Posted inResearch Spotlights
Observing the Birkeland Currents
Scientists use continuous measurements to observe a complicated process in the Earth’s magnetosphere.