Solar flares are intense bursts of radiation that form in areas where loops of magnetic field curl through the solar atmosphere.
ESA - What are solar flares?
Biggest solar flare in years disrupts radio signals on Earth
Major X-class solar flare erupts from sun: What that means for Earth
How do solar flares affect the Earth? - BBC Science Focus Magazine
Solar flare activity aligns with cellular outage, unlikely the cause
What kind of damage can solar flares actually cause to a planet containing life? - Quora
NASA says solar flares are about to get a lot worse - here's what that means
Solar flares: What are they and how do they affect Earth?
2023 Ends With Strongest 'X Class' Solar Flare For Six Years—Get Ready For Aurora
What are solar flares and solar storms?
What are solar flares and why do they happen?, Tech News