Due to the effects of a weak CME and ongoing high solar wind, unsettled to active conditions are possible this evening, Feb.

The solar storm was triggered by an intense X8.3-class flare on Feb. 1, followed by another powerful X4.2 flare on Feb. 4, ...

The storm could also impact power systems and spacecraft operations.

The Sun has shifted into a volatile mood, hurling vast clouds of charged particles into space and putting Earth squarely in the firing line. Forecasters are now watching for signs that a so‑called ...

Add Yahoo as a preferred source to see more of our stories on Google. If you’re seeing social media posts about an X-class solar flare, here’s what you need to know now. A powerful X-class solar flare ...

NOAA warns of likely G1-class geomagnetic storms on Thursday, Feb. 5, through Friday, Feb. 6, as a coronal mass ejection from a powerful X8-class solar flare approaches.

The X8.1 flare was accompanied by a coronal mass ejection (CME), a significant release of plasma and magnetic field from the sun's corona. Modeling suggests that the bulk of the material from this CME ...

The Sun is putting on quite a show right now. Earth-facing sunspot region 4366 has been erupting almost non-stop since it emerged on January 30, producing six X-class solar flares so far.

It’s incredible to think that the sun, roughly 93 million miles away, can mess with our power grids here on Earth and paint our night skies with ribbons of green and red. But that’s exactly what ...

After an X-class solar flare erupted on Feb. 1, a coronal mass ejection reached Earth sooner than expected, prompting ...