A powerful flare unleashed a severe solar storm that caused auroras and GPS disruptions on Earth.

Earth just experienced a rare S4 solar radiation storm, the most intense since 2003 — powerful for satellites and astronauts, ...

The Sun has hurled the most intense burst of radiation at Earth in more than two decades, a reminder that our star can flip ...

A powerful burst of solar energy from the sun is racing toward Earth, and while it’s setting off alerts among scientists and ...

“An S4 severe solar radiation storm is now in progress—this is the largest solar radiation storm in over 20 years,” SWPC declared on X. The storm is still ongoing, with a potential impact on space ...

After weeks of reduced activity, the sun erupted with three powerful flares on a single day. That could send solar flares toward Earth, impacting electronics and making it possible to view the ...

A solar radiation storm, ranked at a level four out of five on a severity scale, was tracked by SWPC. The center designated the event as “the largest solar radiation storm in over 20 years.” ...