Geomagnetic storm

• GRAPES-3 indicates a crack in Earth's magnetic shield (07 Oct 2017)
  
• Van Allen probes catch rare glimpse of supercharged radiation belt (21 Sep 2017)
  
• Spacecraft fly through explosive magnetic phenomenon to understand space weather (14 May 2016)
  
• New study finds equatorial regions prone to disruptive space weather (25 Aug 2015)