A group of participants from several U.S. agencies took part in a first-of-its-kind exercise that tested their preparedness ...

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 ...

At the end of the last ice age, the Earth was hit by the strongest solar storm ever known. If something similar occurred ...

The ancient event, over 500 times stronger than any modern storm, would be devastating were it to happen today.

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

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

Sporadic E layers lit up during a solar storm, moving from poles to equator—surprising researchers and revealing potential ...

Scientists have uncovered the strongest solar storm ever recorded, striking Earth in 12350 BC — 500 times stronger than any ...

The famous Carrington event, the most powerful on record, was not accompanied by a solar particle storm, so it is difficult ...

Last year, the Sun delivered an impressive spectacle with a series of powerful solar flares. These events led to the ...

X-class flares are the strongest and most intense on the solar scale. Earlier this week, the National Oceanic and Atmospheric ...