X-class flares are the most energetic class of solar flares, with each step up in number representing a tenfold increase in ...

Large parts of the United States faced a radio blackout on Thursday following a strong solar flare from the sun. The "extreme ...

Sunspot region 4114 has fired off its strongest blast yet — an X1.2-class solar flare that erupted on June 17, triggering ...

A powerful X-class solar flare erupted on June 19, disrupting radio signals and potentially setting the stage for geomagnetic ...

The M-class flare was accompanied by a coronal mass ejection currently forecast to land Earth with a glancing blow on June 18 ...

Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth’s atmosphere to ...

Solar flares can affect us on Earth, and radiation from this flare caused a shortwave radio blackout. A map released by the ...

ET, sunspot region 4114 released an X.12 class solar flare that caused a radio blackout over the Pacific Ocean, including ...

NASA reports sunspot region 4114 unleashed 2025's most powerful X1.2-class solar flare on June 17, causing widespread ...

Considered our solar system's largest explosive events, solar flares can sometimes be as strong as a billion hydrogen bombs. Those with enough energy output to rank as an X-class have the ...

The solar flare peaked at 5:49 p.m. EDT on Tuesday, NASA's Solar Dynamics Observatory said. It was an X-class flare — the ...

A minor geomagnetic storm (level 1 of 5) is likely this week, according to NOAA's Space Weather Prediction Center. Typically, ...