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The Northern Lights could light up UK skies tonight in a rare 'extreme' geomagnetic storm.

Also known as the aurora borealis, the spectacular lights were spotted by lucky skywatchers across Scotland and northern England on Tuesday-Wednesday night, where skies were clear.

Now, aurora displays could be visible across the UK again in what could be the largest solar storm in over two decades.

The British Geological Survey (BGS) upgraded its geomagnetic forecast on Wednesday (November 12) to the highest intensity level amid an ongoing solar storm.

The Met Office has said sightings are possible again on Wednesday night and into Thursday morning in the north of the country, with a chance of seeing the lights further south across England and Wales, although the forecaste

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