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

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

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 ...

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

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

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

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

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

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 ...

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 ...

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