Charged particles escape our atmosphere following Earth’s magnetic field and constitute a main source of matter that modulates Sun-Earth interactions.
magnetic fields & magnetism
Posted inEditors' Highlights
Magnetic Record of Early Nebular Dynamics
Magnetized particles in a meteorite suggest strong magnetic fields in the early solar nebula.
Posted inOpinions
Realizing Machine Learning’s Promise in Geoscience Remote Sensing
Machine learning and signal processing methods offer significant benefits to the geosciences, but realizing this potential will require closer engagement among different research communities.
Posted inNews
Scientists Mine 16th Century Ship Logs for Geophysical Research
Compass measurements held a key to unlocking the mystery of Earth’s magnetic field and its changes over time. A historian-turned-geoscientist found the measurements in an unlikely place—merchant ship logs.
Posted inEditors' Highlights
Saturn’s Dynamo Illuminates its Interior
Saturn’s oddly symmetrical magnetic field can be explained by models in which the active dynamo region is overlain by a thick, stable layer cooled more strongly at the poles.
Posted inEditors' Highlights
Probing the Age of the Oldest Ocean Crust in the Pacific
A new study extends the calibration of the Mesozoic Sequence down to the Mid Jurassic with multiscale marine magnetic anomaly data, demonstrating extraordinarily high reversal frequency.
Posted inScience Updates
Modernizing a Global Magnetic Partnership
For 30 years, INTERMAGNET, a worldwide network of ground-based observatories, has aided advances in navigation, precision drilling for oil and gas, and mitigating space weather impact on technology.
Posted inNews
Red Rocks: Using Color to Understand Climate Change
A recent study on hematite formation during the Triassic may help predict the effects of climate change on contemporary monsoonal environments.
Posted inNews
How Geodynamo Models Churn the Outer Core
New simulations of Earth’s outer core have reproduced magnetic fields that—for the first time—match paleomagnetic data collected from rocks.
Posted inResearch Spotlights
Antarctic Lava Yields Clues to Earth’s Past Magnetic Field
A new analysis suggests that a widely accepted approximation of ancient magnetic field strength may be less accurate for the past 5 million years than previously thought.