Earth’s magnetosphere, once thought to have a simple electric polarity pattern, has revealed a surprising twist. New ...

In a metal like copper, however, the outer electrons swim around freely and are shared by all the atoms. That’s why ...

For the first time, scientists have measured a long-sought global electric field in the Earth’s atmosphere. This field, called the ambipolar electric field, was predicted to exist decades ago but ...

NASA scientists have discovered a planet-wide electric field surrounding Earth, confirming a 60-year-old hypothesis. Studying the field could yield some vital information about how our planet's ...