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

This geomagnetic storm interfered with telegraph communications around the globe. Sparks reportedly leapt from telegraph ...

Earth just experienced a rare S4 solar radiation storm, the most intense since 2003 — powerful for satellites and astronauts, ...

Earth is being hit by the strongest solar radiation storm in more than two decades, alongside a severe geomagnetic storm, ...

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

Earth is currently under bombardment from one of the most powerful geomagnetic storm categories the Sun can unleash. Thanks to a giant eruption on the Sun and a large opening in its atmosphere, we're ...

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 ...

The NOAA Space Weather Prediction Center has confirmed that severe G4 geomagnetic storm conditions have already been reached ...

NASA has reported a X4.2 solar flare, so what does it mean? We break down what a solar flare is and how it connects to the ...

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