The X1.1 eruption briefly disrupted radio communications across the daylight side of Earth.

Multiple CMEs are heading toward Earth, with G1-G2 geomagnetic storm conditions possible as the holiday weekend begins.

The sun is not a static, tranquil sphere of gas, but an active, turbulent star with magnetic fields that twist and snap in powerful eruptions. Among the most striking and energetic of these eruptions ...

Forecasters expect a coronal mass ejection and a powerful X-class solar flare could impact the Earth starting on Thursday.

Sunspot AR3186 erupted with an X1-class solar flare on Jan. 10, 2022. NASA's Solar Dynamics Observatory captured the ...

A strong solar flare peaked just after 9 a.m. Tuesday, but what does that mean? Can it be seen from Earth?Tuesday's solar flare was not the first this year or even this month. Here is more information ...

On top of fireworks for America 250 celebrations in the U.S., the sky may have its own fireworks show, with the northern lights making an appearance. On Tuesday, the sun woke up with an X1.1 flare ...

The sun emitted some of the most powerful solar flares this week, NASA announced. The star emitted three strong solar flares on Sunday, Feb. 1, peaking at 7:33 a.m. ET, 6:37 p.m. ET and 7:36 p.m. ET, ...

The northern lights could mean lights out for the infrastructure we rely on.

The X1.1 eruption briefly disrupted radio communications across the daylight side of Earth.