Earth's magnetic field protects from solar radiation. It originates from molten core motion. Magnetic north pole moves constantly. Field reversals occurred in the past. The field weakens in some areas ...

Plasma waves are a critical element to understanding the many mysteries of the gas giant’s turbulent, magnetically powerful ...

The possible aurora borealis coincides with the Perseids meteor shower, with hundreds of meteors likely visible in the night ...

The aurora borealis has a chance to appear for viewers in Alaska and the upper Midwest, including Minnesota, Wisconsin and ...

Before defining what a light-year is, we should define what a light-year is not: It is not a measure of time, but rather a ...