The northern lights could mean lights out for the infrastructure we rely on.

A solar storm is a sudden explosion of particles, energy, magnetic fields and material blasted into the solar system by the ...

This LASCO C2 image, taken 8 January 2002, shows a widely spreading coronal mass ejection (CME) as it blasts more than a billion tons of matter out into space at millions of kilometers per hour.

When you look up at the sky on a sunny day, the sun might seem like a bright spot, unchanging in the sky. But the sun is a complex, dynamic celestial body, wrapped in electrical currents and magnetic ...