Experts are warning that another solar-superstorm on the scale of the 1859 Carrington event is inevitable.
The Earth was hit by a tidal wave of energetic particles following a large solar flare.
An example of an eruption associated with solar flares on the sun.
A new report from the Royal Academy of Engineering has suggested a UK Space Weather Board is needed, to lead and supervise government strategy for coping with such a radiation blast if it were to happen again.
More top news
A hacker group who claimed to be behind a cyber attack on Sony Pictures have posted a message online apparently mocking the FBI.
The returns of Benedict Cumberbatch's detective and the X Factor judge were among 2014's most tweeted TV moments in a billion conversations.
A family has issued an appeal to help find their missing pet turkey - in case he gets gobbled up as someone's Christmas dinner.