The sunspot region 4366 fired off dozens of powerful solar flares in 24 hours, including the single strongest flare since 2024. Auroras are possible later this week.

A rapidly growing sunspot has fired off at least 18 M-class and three X-class flares in just 24 hours, including an intense ...

In a dramatic escalation of solar activity, the sun has unleashed an X8.3 flare — 2026’s strongest yet — causing radio ...

The flare was part of a series of three X-class solar eruptions that occurred between late February 1 and early February 2.

Aurora alert! The colossal solar storm could impact and trigger impressive northern lights.

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

Solar Orbiter observations show that a medium-class solar flare formed through cascading magnetic reconnection events, ...

Three powerful outbursts of solar plasma are barrelling toward Earth, with dazzling auroras possible across the northern half of the United States over the coming nights. Minor auroral activity is ...

Solar flares are powerful bursts of radiation. A SWPC report added that the storm calmed and reached G4 status again on ...

Earth's magnetic field was struck by a "severe" solar storm Monday (Jan. 19), triggering vibrant auroras in the U.S. and ...

This was the view as a multi-colored curtain of aurora formed to the south in my sky during the great display of Northern Lights on May 10, 2024. The Kp Index peaked at 8 this night bringing the ...