Though it generated beautiful auroras around the world, the Gannon solar storm in 2024 was also a little dangerous.

The sun isn't always the gentle, life-giving star we see during peaceful sunrises and sunsets. Sometimes it awakens with ...

While last week's stunning auroras delighted many people across Australia, a massive solar storm that hit last year squeezed ...

Last year, the most violent geomagnetic storm to strike Earth in over two decades did more than disrupt GPS systems and ...

A solar storm similar to the 1859 Carrington Event could cause widespread damage to our technology, including satellites. New ...

The spectacle was particularly enthralling for Lisa Upton, who caught the skies over Boulder, Colo., glowing eerily red. Upton, a heliophysicist at the Southwest Research Institute, is an expert in ...

Solar flares pose an astonishing danger to life on Earth — and many questions about them still remain unanswered.

For two nights, dazzling auroras delighted sky-gazers in unexpected places, including in the US as far south as Florida. The ...

A major solar flare and subsequent coronal mass ejections (CMEs) hit Earth on November 11, 2025, causing a severe geomagnetic storm. These storms can interfere with power grids, satellite ...

(CNN) — Dazzling auroras delighted sky-gazers Tuesday night, even in southern US states such as Florida where they rarely make an appearance — and more colorful displays began appearing Wednesday as ...