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

Sunspot AR3767 erupted with a X1.7-class solar flare, followed by an X1.1-class flare from sunspot AR3780. NASA's Solar ...

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

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 ...

Space weather observers warn that the Van Allen radiation belts are now fully charged after repeated solar storms, raising ...

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 ...

The Sun erupted with an X1-class solar flare.NASA's Solar Dynamics Observatory captured the fireworks in multiple wavelengths. The flare caused radio blackouts on sunlit portion of Earth at the time ...

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 ...

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

2025 was another busy year on the sun. But how did it compare with 2024, and what will 2026 bring for solar activity and the northern lights? When you purchase through links on our site, we may earn ...