Earth’s magnetic field waxes and wanes as supercontinents form and break up, suggests a new study postulating a direct connection between our planet’s crust and its core.
magnetic fields & magnetism
Posted inResearch Spotlights
Can Ocean Tides Be Powerful Indicators of Climate Change?
A new study simulates how ocean warming due to climate change will affect the electromagnetic signal emitted by ocean tides over the next century.
Posted inEditors' Vox
Close Encounter with Jupiter
First results from the Juno mission shed new light on Jupiter’s atmosphere, gravity, magnetic field, aurora, history, and more.
Posted inNews
David S. Evans (1936–2016)
Evans, a pioneer of auroral physics, changed the way scientists thought about the aurora and magnetic fields and guided a new generation of researchers.
Posted inNews
Mining Ancient Texts Reveals Clues to Space Weather of Yore
Low-latitude sightings of colorful hues in the sky likely to have been auroras indicate powerful geomagnetic storms buffeted Earth when some old chronicles were written, researchers report.
Posted inResearch Spotlights
Ground Surveys Reveal Space Weather Risk to Spain’s Power Grid
A survey of bedrock conductivity across Spain improves predictions of how vulnerable the nation’s power grid is to solar storms.
Posted inResearch Spotlights
New Explanation for “Meandering” Electrons Orbiting Earth
A new study proposes a simpler theory to explain a class of electrons zipping around Earth, propelled by magnetic explosions.
Posted inScience Updates
Integrating Research of the Sun-Earth System
International Symposium on Recent Observations and Simulations of the Sun-Earth System III; 11–16 September 2016, Varna, Bulgaria
Posted inScience Updates
A Bike Built for Magnetic Mapping
Mounting a magnetic sensor on a bicycle offers an efficient, low-cost method of collecting ground magnetic field data over rough terrain where conventional vehicles dare not venture.
Posted inResearch Spotlights
For Magnetic Reconnection Energy, O—not X—Might Mark the Spot
A new analysis of satellite data could upend conventional wisdom about how solar storms produce their dangerous radiation—not from X-shaped mergers of magnetic field lines but from swirling vortices.