The massive sunspot that sparked an "extreme" geomagnetic storm in May 2024 unleashed hundreds of other dangerous solar ...

From communications outages to a brush with nuclear war, solar events like flares and coronal mass ejections have shaped ...

Scientists have long studied the sun, our solar system’s life-giving star, trying to understand its behavior, solar flares, ...

A G2 storm, rated “moderate” on the five‑tier NOAA scale, can induce voltage irregu­larities in power systems and affect high ...

OVRO-LWA radio data contrasts a quiet day (Sept. 29, 2025) with the hours after the X1.7-class flare recorded at 2:35 ET on Nov. 9. The type III radio bursts, shown in the radio dynamic spectrum ...

Scientists tracked active solar region NOAA 13664 for 94 days, showing how persistent magnetic complexity drives flares and ...

The Sun’s most violent flares are turning out to be even more extreme than I, or many solar physicists, had imagined. By ...

Solar physicists say they have found a key source of intense gamma rays unleashed when Earth's nearest star produces its most ...

Solar wind speeds remain elevated as an incoming coronal mass ejection approaches Earth, with forecasts indicating increased ...

A new solar storm is approaching. In 2025 there were several, but they did not have serious consequences. Now, the US ...

Photographer Philippe Tosi captured the remarkable scene unfolding on July 10. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A new sunspot ...