Solar flares and other activity can disrupt radio communications, power grids and navigation signals, according to NASA.

A strong geomagnetic storm is forecast for Tuesday, according to the National Oceanic and Atmospheric Administration's Space ...

On Saturday, NOAA’s Space Weather Prediction Center (SWPC) noted that an M8.1 solar flare, “an eruption of energy from the ...

The National Oceanic and Atmospheric Administration (NOAA) has issued a strong geomagnetic storm watch for Monday evening, December 8, after the Sun released a major burst of energy. This alert means ...

Scientists can usually spot coronal mass ejections before they affect Earth—but this one snuck past coronagraphs and ...

A powerful M8.1 solar flare sent a full-halo coronal mass ejection toward Earth, and scientists expect it to trigger strong ...

The Sun exhibited unpredictable behavior with two strong solar flares in late November and early December 2025. These events, ...

Our sun continues to make news headlines as we’re still in a strong solar cycle that has generated numerous solar flares and ...

Have you ever seen a coronal mass ejection? It’s the eruption of plasma during a solar flare, and new video captured one powerful eruption in stunning detail. A solar flare is usually the genesis of a ...

The Sun follows a 22-year magnetic cycle, with solar activity rising and peaking roughly every 11 years. But when conditions ...

The Sun fired a staggering X1.9-class solar flare at the turn of the month, triggering a sudden, widespread radio blackout across Australia and large parts of southeast Asia.