"The aurora does not need to be directly overhead but can be observed from as much as a 1,000 km [621 miles] away when the aurora is bright and if conditions are right," the agency explains on its ...

When we gaze up at the sky, we often expect to see the familiar shades of blue or grey. But sometimes, nature surprises us with ... Read more The post 12 Times the Sky Changed Color in the Most ...

Related: Where to see the northern lights: Aurora borealis guide — Aurora colors: What causes them and why do they vary? — Aurora myths, legends and misconceptions — The next 4 to 5 years ...

The aurora borealis, known as the northern lights, is one of Earth’s most beautiful and most mysterious natural wonders. In The Nature of Things documentary The Wonder of the Northern Lights ...