What are the northern lights?

The northern lights, or aurora borealis, are a spectacular, colourful display of light commonly seen in the night sky in the northern hemisphere.

How and Where to See the Northern Lights - WSJ

Northern Lights, Explained: What They Are and How to See Them

How to see the northern lights in Tromsø, Norway

Rovaniemi: Northern Lights Wilderness Tour with Camera

Northern lights (aurora borealis) — What they are & how to see them

Plan your trip to see the Northern Lights at their isolated best

Northern Lights: 11 places to see the aurora borealis

What are the northern lights?

The World's Best Places to See the Northern Lights, Travel Channel Blog: Roam

When and Where to See the Northern Lights

What causes the Northern Lights? Aurora borealis explained