Solar flares happen when there is a release of magnetic energy that has built up in the solar atmosphere and include radiation across most of the electromagnetic spectrum.
Understanding solar flares: How explosions on Sun's surface can lead to radio blackouts
Understanding Solar Flares: Their Impact, Benefits, and Predictions for the Future
Solar Flares Explained
Is a solar flare the same thing as a CME?
What Are Solar Flares?
The sun just launched three huge solar flares in 24 hours - The Washington Post
Sun's Discharges: What are Solar Flares?
What caused the att outage? Solar flares may not be the culprit
Sci-tech: What are Solar Flares? । What happens when space rocks collide with Earth?
What are Solar Flares? Know about high-speed winds burning at 100 million Kelvin
What are Solar Flares and Coronal Mass Ejections?
What are Solar flares? How often they happen and how they affect Earth
In Pics: How a Piece of The Sun Appeared to Fall Off And What it Means - News18
Powerful twin solar flares erupt from sun as cell phone outages spike across US (video)
Solar storms: What are they and how serious can they be? - BBC Newsround