Geomagnetic storm conditions are expected to remain calm ... Nitrogen creates blue and purple shades, making the sky dazzle ...

Lightspeed travel is a popular concept in sci-fi and pop culture, but it's not a technology we are likely to see anytime soon ...

The northern lights have been interpreted in many ways down the centuries - from portents of political upheaval to signs of ...

The sun’s magnetic activity causes auroras, and the relationship between solar flares and auroras reveals an 11-year cycle; ...