Earth’s magnetic field was rattled by a solar outburst that arrived with almost no warning, lighting up skies and briefly reminding power grid operators and satellite controllers how vulnerable modern ...

A strong geomagnetic storm is forecast for Tuesday, according to the National Oceanic and Atmospheric Administration's Space ...

A new study led by Southwest Research Institute (SwRI) links quasi-periodic pulsations (QPPs) in solar flares to dynamic ...

Solar flares and other activity can disrupt radio communications, power grids and navigation signals, according to NASA.

A high-magnitude solar flare erupted from a new sunspot on the sun’s surface, which caused a disruption of radio signals across Earth’s Eastern Hemisphere on Tuesday. Classified as an X2.7 solar flare ...

The Sun exhibited unpredictable behavior with two strong solar flares in late November and early December 2025. These events, ...

Virtually moonless night skies will create perfect conditions — if skies are clear — for a possible geomagnetic storm on ...

What’s interesting is that the sunspot that unleashed the X-class flare was a surprise discovery by NASA, as it developed rapidly, and has yet to be named. It's located above the aforementioned ...

The powerful X1.1 solar flare from sunspot region 4298 sparked strong radio blackouts on the sunlit portion of Earth at the ...

A NASA spacecraft is making a close approach to the sun, repeating its record-breaking distance of 3.8 million miles from the ...

Scientists can usually spot coronal mass ejections before they affect Earth—but this one snuck past coronagraphs and ...