What are solar flares and solar storms?

NASA's heliophysics experts explain how space weather forecasting works, and why geomagnetic storms seem to be more disruptive than ever.

After biggest solar flare in four years, a bit of the sun heads to

Earth sees biggest solar flare in years

What Is a Solar Flare?

Solar Flare: Powerful X-Class Solar Flare Triggers Geomagnetic

We Just had the Strongest Solar Flare in the Current Solar Cycle

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Detecting the Perfect Solar Storm, BU Today

New Insights Into Solar Flares

Earthlings: There's No Need to Freak Out About Tonight's Solar

Sun erupts with two big solar flares

The Next Giant Solar Flare is Unavoidable! Will it Bomb Us Back

Solar flare, Sunspot, Coronal Mass Ejection & Radiation

Can ripples on the sun help predict solar flares?

Is a solar flare the same thing as a CME?

The Next Solar Storm Cycle Could Massively Disrupt the Internet