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

The most powerful solar flare of 2025 has launched a ball of energy toward Earth that could trigger widespread auroras across ...

A powerful solar flare erupted from the sun on November 14, 2025, causing radio blackouts across parts of Africa. This ...

The sun unleashed the strongest X5.1 class solar flare, blasting the Earth with 2025 year’s strongest solar activity so far ...

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

Solar flares are classified based on their strength into classes A, B, C, M, and X, with each class being ten times more ...

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

The Sun recently erupted with its most powerful solar flare of 2025, a massive burst of energy that immediately impacted ...

These CMEs are currently headed toward Earth and will likely cause strong to minor geomagnetic storms later today and ...

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 ...

The sun unleashed a third X-class solar flare on Nov. 11. Clocking in at X5.1, it is the biggest solar flare this year and ...

Increased solar activity causes auroras that dance around Earth’s poles, known as the northern lights, or aurora borealis, ...