Scientists have uncovered the most powerful solar storm ever, resetting what we know about space weather limits.

"Space weather impacts can have the same symptoms as a cyberattack, where systems will be brought down, or lockup, or ...

A first-of a-kind space weather "tabletop" exercise has revealed major weaknesses in America's preparedness for major solar ...

The sun unleashed two huge flares early Wednesday, one day after a NASA observatory captured a dramatic photo of a separate ...

A solar radiation storm struck Earth 14,300 years ago, showering the planet with high-energy particles and leaving a spike in radiocarbon.

"It was a reminder that our sun is capable of producing these very disruptive events that can impact our critical ...

A colossal solar filament over twice the distance between Earth and the moon erupted from the Sun's northern hemisphere ...

The X2.7 event marks the most powerful flare since March, when the Sun produced an X1.2-class flare from sunspot region ...

The research has identified a new 'worst case scenario' for a future solar particle storm, during which charged particles ...

Learn about the strongest solar storm to ever strike Earth, occurring around 14,300 years ago during the last Ice Age.

"The ancient event in 12350 BCE is the only known extreme solar particle event outside of the Holocene epoch, the past ...

A massive solar tornado, big enough to swallow the Earth, was observed twirling across the surface of the "quiet" sun last ...