A powerful X-class solar flare has unleashed a severe geomagnetic storm, arriving faster and stronger than predicted. Join Weather Network's Kim MacDonald and meteorologist Scott Sutherland as they explain the science behind the storm,

The United States' largest solar radiation storm in over 20 years could create a dazzling northern lights display starting Monday night.

Colorful auroras could dazzle skywatchers again on Monday night amid a severe geomagnetic storm and what the National Oceanic and Atmospheric Administration said was the largest solar radiation storm in more than 20 years.

Confidence is growing that a major winter storm will track across the United States this week, developing along a strong arctic front that is expected to deliver the coldest air of the season so far.

A powerful flare has unleashed a severe solar storm that could cause auroras and satellite disruptions on Earth.

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