A new method shows how solar wind measurements at Earth can be used to define initial conditions for solar wind models to reduce their need for solar magnetic maps and decrease their uncertainty.
Space Weather
Posted inEditors' Vox
Announcing New AGU Journal Editors-in-Chief Starting in 2026
AGU is excited to welcome new Editors-in-Chief for five of our journals in 2026.
Posted inNews
A Weak Spot in Earth’s Magnetic Field Is Going from Bad to Worse
This could be bad news for satellites and spacefarers.
Posted inEditors' Highlights
Space Weather Monitoring from Commercial Satellite Mega-Constellations
Enabling unprecedented monitoring of key electric current systems in low-Earth orbit using commercial satellite mega-constellations advances space weather monitoring.
Posted inResearch & Developments
Trio of Space Weather Satellites Take Flight
These three satellites will that study the solar wind and its impacts.
Posted inNews
Exoplanet Triggers Stellar Flares and Hastens Its Demise
HIP 67522 b can’t stop blasting itself in the face with stellar flares, a type of magnetic interaction that scientists have spent decades looking for.
Posted inResearch Spotlights
U.K. Space Weather Prediction System Goes Operational
Officials now have access to a suite of models they can use to head off damage to critical infrastructure.
Posted inScience Updates
Two Neutron-Monitoring Networks Are Better Than One
Hydrologists, atmospheric scientists, and space scientists are teaming up to keep a closer eye on soil moisture, hazardous space weather, and more.
Posted inResearch Spotlights
Radar Reveals Electrical Activity in the Ionosphere
A new method could improve understanding of communication disruptions.
Posted inResearch Spotlights
From Sun to Earth: A New Network for Comprehensive Space Weather Monitoring
The Chinese Meridian Project combines hundreds of instruments for a detailed, three-dimensional view of the solar-terrestrial environment.