More geomagnetic storms remain likely for today as sun continues to erupt X-class flares CBS NewsUpdate: New solar flare, secondary peak today in this "Extreme" solar storm Earth.comSolar storm: How do the Northern Lights happen? BBCJaw-dropping northern lights from massive solar flares amaze skywatchers around the world. 'We have a very rare event on our hands.' (photos) Space.com'Stunning' Solar Activity Is a Warning to Grid Operators Bloomberg