A Massive Solar Superstorm Nearly Blasted The Earth In 2012

Back on July 23, 2012 a furious solar magnetic storm just grazed our planet. Had it erupted just nine days earlier, it would have hit us, causing extensive damage to our technological infrastructure. It would have been a geomagnetic catastrophe the likes of which we've never seen. Scientists say the close shave should… » 3/20/14 8:00am 3/20/14 8:00am