What causes the Northern Lights?
28 February 2014 Last updated at 12:45 GMT
It's a rare treat for the UK if the Northern Lights can be seen in the skies above.
But what causes this colourful display of green, red and orange lights?
It's all to do with the Sun and electrically charged particles entering the Earth's atmosphere.
Leah's been looking into the science behind it all - watch the clip to find out more...