The northern lights may put on a dazzling display over the next couple of years as the sun enters its solar maximum, a period of heightened activity that occurs about every 11 years.

Auroral activity is expected to be just strong enough to be seen across parts of the northern U.S. on Friday before weakening through the weekend, according to a National Oceanic and Atmospheric Administration forecast.

The Met Office has announced a "once-in-decade" solar event that could amplify the chances of witnessing the Northern Lights across the UK. NASA has confirmed we are entering a 'solar maximum' period,