A powerful solar storm hammered Earth on Monday, with experts reporting that this was the most powerful solar radiation storm seen since October 2003.

A strong geomagnetic storm could soon interact with Earth's atmosphere, bringing the potential for northern lights displays to be seen much further south in the continental U.S., according to space we...

The aurora could be visible across Canada and much of the northern tier of U.S. states — and possibly further south — Monday night following a major disturbance in the Earth's magnetic field, a foreca...