A reanalysis of paleomagnetic poles provides tighter bounds on the style and rate of motions of our whole planet with respect to its rotation axis.
magnetic fields & magnetism
Posted inResearch Spotlights
New Insights into an Enigmatic Form of Magnetic Reconnection
A new study deepens understanding of magnetic field behavior recently discovered by NASA in Earth’s magnetosphere.
Posted inNews
After 30-Year Search, Scientists Finally Find an Aurora on Neptune
The planet’s elusive aurorae are much colder than expected, which is how they evaded detection for so long.
Posted inEditors' Highlights
Fast Flows in Earth’s Magnetotail Surveyed by NASA Satellites
A survey of high-speed electron flow observed by NASA satellites in the Earth’s magnetotail is presented and related to the process of magnetic field line reconnection and particle acceleration.
Posted inEditors' Highlights
Remagnetization Illuminates Tectonic Consolidation of Megacontinents
New rock and paleomagnetic research give evidence for prolonged heating during the Cambrian-Ordovician tectonic consolidation of West Gondwanaland.
Posted inEditors' Highlights
Explaining Mars’ Mysteriously Magnetic Crust
Fluid-rock interactions on ancient Mars may have produced abundant magnetic minerals that preserved unusually intense records of the planet’s now-extinct magnetic field.
Posted inEditors' Highlights
Heating Mechanism at Earth’s Bow Shock Depends on Shock Speed
A new technique shows that the dominance of gradual versus chaotic electron heating processes at Earth’s bow shock is controlled by how fast the shock is moving.
Posted inNews
Magma Beneath Yellowstone Is Shifting Northeast
Though the volcano’s magma chambers could hold enough material for a caldera-forming event, none of them are likely to erupt soon.
Posted inEditors' Highlights
Wave-Modulated Electron Loss Affects GPS Location Determination
Earth’s magnetosphere controls ionospheric total electron content modulation via plasma wave-induced electron loss impacting GPS spatial location determination.
Posted inEditors' Highlights
New Empirical Model of the Flux in the Magnetosheath
A new study presents a model that reconstructs the plasma flux in the Earth’s magnetosheath.