Superflares may be less threatening than originally thought – Astronomy Now

M-class solar flare threat! NASA observatory keeping a watch on dangerous sunspot

Explorations of Extreme Space Weather Events from Stellar Observations and Archival Investigations

Superflares may be less threatening than originally thought

Sun can emit superflares every 1000 years

Is a destructive solar superflare less than a century away? •

Knowing” How Solar Flares Don't Work –

Red dwarfs may be more hazardous to one's health than previously thought – Astronomy Now

What are 'superflares' and how can it one day threaten Earth? - Quora

PDF) Solar Flares: Origin and Threat to Our Civilization

Powerful superflares could pose a threat to Earth

Extreme solar events Living Reviews in Solar Physics

How a Rare Solar 'Superflare' Could Cripple Humanity, by Robert Roy Britt