"This is the largest solar radiation storm in over 20 years," the Space Weather Prediction Center said on Monday.

A solar radiation storm stronger than one we've seen in over two decades is in progress, the Space Weather Prediction Center announced Monday.

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 ...

The storm could also impact power systems and spacecraft operations.

Earth's magnetic field was struck by a "severe" solar storm Monday (Jan. 19), triggering vibrant auroras in the U.S. and large parts of Europe. The storm broke a record that had stood for more than ...

The Sun is angry again, unleashing a series of powerful solar flares that have triggered warnings from space agencies across ...

A powerful geomagnetic storm triggered by a fast coronal mass ejection from the Sun produced rare red aurora over Hanle, ...

Discover when and where to see tonight’s Aurora Australis as a powerful solar storm increases the chance of Southern Lights across Australia.

Tree rings hold clues about ancient solar storms. New research shows tree growth and carbon storage can shift those signals across years.

Update, Wednesday (Jan. 21) at 11 a.m. ET: Geomagnetic conditions are starting to settle, but auroras are still highly likely in the northern tier of the United States tonight, according to NOAA's ...