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 ...

NASA captured an image of the sun emitting a powerful solar flare that could interfere with technology on Earth.

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

Midsummer Night's Eve and the summer solstice may see aurora close to the U.S. Canada border after a geomagnetic storm in the ...

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

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

According to spaceweather.com, the sunspot region 4114 released multiple flares within 24 hours, but they were in the M-class ...

A powerful X1.2 solar flare erupted from the Sun, causing radio blackouts and sparking warnings of more flares and possible ...

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