The X5.1-class eruption from sunspot AR4274 is this year's most powerful solar flare and Earth is in the firing line.

NASA's Solar Dynamics Observatory captured sunspot AR3386 blast a long-duration X1.6-class solar flare. See at time-lapse of ...

NASA Solar Dynamics Observatory captures sunspot AR3341 blast a powerful X1.1 solar flare. Credit: Space.com | footage ...

Two new large solar flares over the last 36 hours have increased the chances of northern lights this week, here's the latest ...

The back-to-back eruptions caused radio blackouts across two hemispheres as the active sunspots turn to face Earth.

In the wake of the solar flares, the National Oceanic and Atmospheric Administration’s Space Weather Prediction Center ...

In the last 36 hours, the sun has emitted two more X-class solar flares, increasing the chances of northern lights appearing.

As a particularily active sunspot region rotates into view, the sun has released its largest solar flare since June.

X-rated solar flares cause radio blackouts across Europe and Africa. Will it knock out power grids and satellites too?

An accompanying CME is forecast to reach Earth on Wednesday night, triggering a severe G4 geomagnetic storm (G5 is the ...

Largest Solar Flare of 2025 causes radio blackouts across Europe and Africa. NOAA warns of a G3 storm that could affect power ...

On November 11, 2025, the sun showcased its immense power by unleashing an X5.1-class solar flare, marking the most significant solar event of the year and the strongest since October 2024. This ...