Researchers followed a single solar hotspot for 3 months as it unleashed nearly 1,000 flares, revealing insights about our Sun's fury.

How the X-class flare hit Australia’s airwaves The latest eruption was classified as an X-class flare, the most powerful category in the standard scale, and it arrived with enough intensity to trigger ...

In a landmark observation, the Daniel K. Inouye Solar Telescope captured the thinnest coronal loops ever seen during an X-class flare, giving scientists their first direct look at the tiny magnetic ...

A burst of solar fury has once again reminded Earth of how fragile its technological systems can be when confronted with the extremes of the Sun. In mid-November 2025, active region AR4274 let out an ...

The GREGOR telescope at the Teide Observatory in Tenerife got a front-row seat to November's solar show. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

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 ...

Radiation levels at airline flight altitudes briefly reached levels that could be potentially harmful to pregnant women. When you purchase through links on our site, we may earn an affiliate ...

DECATUR, Ill. (WAND) - Tonight's auroral activity coincides with two X-class solar flares that escaped from the Sun this past Sunday and Monday. These flares are the result of coronal mass ejections, ...

A week after strong geomagnetic storming gave half the U.S. a chance at seeing the northern lights, new solar activity could bring the aurora to nearly every state. Early Tuesday morning, NOAA’s Space ...