A new classification scheme helps researchers distinguish what accelerates the electrons that create auroras.
magnetic fields & magnetism
Posted inEditors' Highlights
Extraordinary Polar Wander During the Late Jurassic?
Small amounts of polar wander have occurred during geological history, but whether larger amounts occurred is still controversial. Did a truly large polar wander event really happen?
Posted inScience Updates
Finding the Gaps in America’s Magnetic Maps
A 2017 executive order mandated a plan to evaluate U.S. access to critical mineral resources, but the airborne magnetic survey maps that support this effort are sadly out of date.
Posted inOpinions
Changing Name for Earth’s Changing Poles
The name of one geomagnetic pole reversal, the Laschamps excursion, somehow lost its s as it wandered through the scientific literature. It’s time to set the record straight.
Posted inResearch Spotlights
Magnetic Anomalies on the Pacific Plate Reveal True Polar Wander
A new study rebuffs the standard approach to paleomagnetism and offers an updated methodology and new locations of paleomagnetic poles.
Posted inEditors' Highlights
Plasma Density Distribution in Mercury’s Magnetosphere
A new measurement of plasma density distribution in Mercury’s magnetosphere obtained from observations of field line resonance events provides necessary constraint for many planetary science issues.
Posted inEditors' Highlights
Can Moderate Space Weather Have Major Impacts?
Pipeline corrosion is an example of why we need better awareness of how long-term exposure to moderate space weather may have significant economic impact by slowly degrading vulnerable systems.
Posted inResearch Spotlights
New Plasma Wave Observations from Earth’s Magnetosphere
The first simultaneous observations of multiple electromagnetic wave types in Earth’s magnetosphere may inaugurate a new field of inquiry into cross-frequency wave interactions.
Posted inNews
Magnetic Surveying Reveals Hidden Ancient Buildings and Streets
Buried buildings subtly distort natural magnetic fields, providing a magnetic surveying team with clues that helped archaeologists map an ancient city.
Posted inEditors' Highlights
Jupiter’s Stressed Out Magnetosphere Causes Aurora and Heating
Force imbalance between Jupiter’s ionosphere and magnetosphere leads to wave generation to release this stress, but the waves also accelerate particles, causing aurora and heating.