As the Parker Solar Probe ventures closer to the sun, we are learning new things about our home star. In a new study, physicists led by the University of Iowa report the first definitive measurements ...

Kyoto, Japan -- The region of space dominated by Earth's magnetic field is the magnetosphere. Observations have shown that, within this region, an electric force acts from the morning side to the ...

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 ...