Until recently, this type of zigzag shape—formed by energetic rearrangement of magnetic field lines—had been seen only near the Sun.
solar wind
Posted inResearch & Developments
Trio of Space Weather Satellites Take Flight
These three satellites will that study the solar wind and its impacts.
Posted inResearch Spotlights
A Solar Wind Squeeze May Have Strengthened Jovian Aurorae
Juno spacecraft data suggest an extreme compression of the planet’s magnetosphere in December 2022, caused by the solar wind, briefly brightened the ultraviolet light displays.
Posted inEditors' Highlights
Why Subsequent ICMEs are More Geoeffective
A new study demonstrates how an interplanetary coronal mass ejection (ICME) clears the path for following transients and explains why subsequent ICMEs are more geoeffective.
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 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 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.
Posted inEditors' Highlights
Unusual Occurrence of STEVE: An Aurora-Like Glow
STEVE is a mysterious purple-white arc near the aurora, typically seen after space disturbances called substorms. A new study reveals a rare STEVE event without a substorm, prompting questions about its origin.
Posted inResearch Spotlights
Blasts from the Past: New Insights from Old Space Storms
Reassessment and comparison of past space weather events highlight the potential for Earth to experience destructive geomagnetic disturbances.
Posted inFeatures
El pasado, presente y futuro de traer muestras extraterrestres
La obtención de muestras de cuerpos distantes del sistema solar ha revolucionado nuestra comprensión del cosmos y del lugar que ocupamos en él.