Prepare for nature's 2012 spectacular! Nasa predicts brightest northern lights display for 50 years... but solar activity could play havoc with technology

• Peak in activity could see problems for mobiles, GPS and National Grid
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It is nature's most mesmerising lights show and it's about to get a whole lot better. 

Experts predict the northern lights will shine at the brightest levels seen for 50 years in 2012.

Since 2007 the aurora borealis has been growing in intensity and will peak during the year after next, according to Nasa scientists... Read More

2009: An eerie looking-green glow covers a frozen lake and home in Iceland