Solar flares are closely related to another solar phenomenon called a coronal mass ejection, or CME. Where there's a flare, there's likely to be a CME, just like where there's smoke there's fire.

Solar flares are closely related to another solar phenomenon called a coronal mass ejection, or CME. Where there's a flare, there's likely to be a CME, just like where there's smoke there's fire.

Solar flares measured around X1 — like the May 13 and 14 events — indicate strong flare intensity. An X10 flare is described as as a severe event, according to NOAA.

Camera footage arrived on Earth, showing intermittent white flecks as charged particles slammed into the lens. Video: NASA The biggest event hit on May 20, delivering a solar flare NASA estimated ...

Solar flares are measured on a scale of A, B, C, M and X, with each class being 10 times more powerful than the previous. The most powerful solar flare of this solar cycle—of which we are ...

A blazing X2.7-class solar flare erupted from sunspot AR4087 early Tuesday, hurling a scorching wave of plasma and charged particles straight at Earth. NASA/SDO.

A high-powered solar flare erupted from the sun last week, causing a major radio blackout in Europe and Asia. The eruption happened at 3:25 a.m., meaning that the sun wasn't in the Texas sky at ...

On Oct. 3, the sun released the most powerful solar flare this solar cycle, a colossal X9.05 eruption — and it's heading for Earth.

The northern lights may be visible along a stretch of northern states Tuesday night, and a recent solar flare could heavily disrupt radio frequencies this week, according to a National Oceanic and ...

But until then, strong solar flares and more Earth-directed CMEs are still a possibility. Multiple Active Sunspot Clusters Visible on Sun’s Surface. Timelapse of daily observations, May 7-16.

A high-magnitude solar flare erupted from a new sunspot on the sun’s surface, which caused a disruption of radio signals across Earth’s Eastern Hemisphere on Tuesday. Classified as an X2.7 ...