Analysis of magnetic fields on the Sun's surface offers a new clue on why sunspots appear.
solar activity
Posted inScience Updates
Changing of the Guard: Satellite Will Warn Earth of Solar Storms
This summer, Earth gets a new guardian—the Deep Space Climate Observatory—to help warn astronauts and operators of critical planetary infrastructure about the Sun's raging magnetic storms.
Posted inResearch Spotlights
Radio Blackout! Ham Radio as an Operational and Scientific Instrument
Monitoring solar activity that disrupts communications can be helped by crowdsourced and automated reports from amateur radio operators.
Posted inResearch Spotlights
Can Scientists Boost Solar Modeling Despite a Lack of Data?
Researchers show that a data processing technique could salvage useful information from raw solar observations, opening the door to improved understanding of the solar dynamo.
Posted inScience Updates
Rapid Coordination Extends Space-Based Sun-Climate Record
Faced with the prospect of a large data gap in solar irradiance records, scientists take steps to ensure that this key climate variable stays monitored.
Posted inResearch Spotlights
Low Heliosphere Pressure Drives Wide CMEs in Weak Solar Cycles
Why are coronal mass ejections from the current solar cycle wider than others? Researchers investigate.