Additional photos available at http://www1.umn.edu/urelate/newsservice/aurora.html. The spectacular aurora borealis displays that light up the northern nights could ...

It would be an understatement to say that the Earth's magnetic field is important. It's one of the reasons we're able to live on this rock tumbling through space, and it also gives us the gorgeous ...

Here’s what you’ll learn when you read this story: The Earth’s magnetosphere protects life from deadly space radiation, but many aspects of its function remain a mystery. Scientists have long believed ...

Earth is surrounded by a magnetic field generated by electric currents from within the planet. Compasses take advantage of this field to identify north and serve as a navigational aid. But one social ...