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

The last in a series of three coronal mass ejections hit Earth on Wednesday, so experts are keeping an eye on geomagnetic ...

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 ...

Scientists said the sun erupted Tuesday morning, unleashing a strong X5.1-class flare in an intense outburst, causing ...

The Sun has just fired off its most powerful solar flare of 2025, causing radio blackouts across half the globe. As the ...

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

The same region on the sun that’s responsible for this week’s stunning auroral display just erupted in another powerful solar flare early on Friday morning ...

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

The northern lights could be visible from a much larger portion of the northern United States than usual on Tuesday night and ...

A series of three powerful flares and associated explosions of solar material out across the Solar System have set Earth ...

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

The United States weather agency has issued a G4 geomagnetic storm watch alert, implying severe storms expected.