Aurora chasers are on high alert for minor geomagnetic storm conditions from Jan. 24 through to Jan. 25. Northern lights ...

There were significantly more X-class solar flares in 2024 than any other year for at least three decades. The arrival of ...

New study reveals the potential for advance warning of powerful solar flares from the Sun, providing crucial hours to protect ...

Sunspots AR3664 and AR3663 have been erupting with X- and M-class solar flares. Both sunspots are Earth-facing and could potentially deliver a solar storm. NASA's Solar Dynamics Observatory ...

EST (0315 GMT on Dec. 26). Solar flares are ranked and categorized by their power on a 4-level classification scale, with M-class the second strongest to the beastly X-class at the top.

This storm is caused by a powerful solar flare The sun has been especially active over the last 48 hours. It's released many M-class solar flares as well as an X-class flare — the most powerful ...

"There have been multiple M-Class and X-Class solar flares in recent days that are forecast to make at least a glancing blow to the Earth's magnetosphere sometime over the next 48-72 hours between ...