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 ...

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

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

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

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

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

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

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

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 ...

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

Astronomers say they spotted signs of a giant explosion releasing from a star beyond our solar system, one powerful enough to destroy a planet’s atmosphere.