For years, astronomers talked about coronal mass ejections on other stars almost like ghost stories. You hear signs, hints ...

A high-energy pulse from the Sun is careening through space and now slicing across Earth’s magnetic field, setting the stage ...

A severe geomagnetic storm put the power grids in at least 11 states at risk this week, posing a threat to millions.

There’s another possibility for aurora sightings in the D.C. area beginning Tuesday night. Here’s how to possibly see the northern lights.

Astromoners are predicting a solar storm "tsunami" will strike Earth today following multiple flares and CME’s (Coronal Mass Ejections) from the Sun. One of the flares is thought to be among the most ...

The night sky could once again be lit up by the northern lights as a Strong (G3) geomagnetic storm watch is in effect for ...

Two new large solar flares over the last 36 hours have increased the chances of northern lights this week, here's the latest ...