Chances for a group of northern U.S. states to see the northern lights are low Saturday night but are forecasted to improve ...

Thursday may be the last day people in the northern U.S. could see the phenomenon this week, forecasters said.

Auroral activity is forecast with a Kp index of four on a scale of nine for Tuesday night, suggesting the northern lights ...

In fact, both northern and southern lights are caused by the interaction ... where they collide with gas atoms—primarily oxygen and nitrogen—and "excite" them with extra energy.

The northern lights appear when coronal mass ejections ... Particles flow along the currents to the poles, interacting with oxygen and nitrogen in the atmosphere. Those interactions form excess ...

The Space Weather Prediction Center states that geomagnetic activity is predicted for Monday and Tuesday night.

The northern lights, which can appear green, pink and blue, are the result of geomagnetic storms. The more severe the storm, ...

The northern United States had a chance ... and are caused by the interaction of particles with oxygen, while blue and purple lights are caused by an interaction with nitrogen.

The Space Weather Prediction Center states that geomagnetic activity is predicted for Monday and Tuesday night.

A group of states along the Canadian border may have an opportunity to see the northern lights on Friday, with some radio ...