Solar scientists are tracking a surge in activity on the sun that could unleash powerful storms toward Earth, with the ...

North Central and Northwestern states have the best chance of viewing. The peak of the current solar cycle is ongoing, bringing spectacular views of the northern lights to several U.S. states. A ...

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 ...

(CNN) — For two nights, dazzling auroras delighted sky-gazers in unexpected places, including in the US as far south as Florida. The cause: dual solar storms unleashed by the sun reaching Earth. A ...

Scientists have captured an exceptionally rare, high-resolution view of an active region that produced two powerful X-class ...

A geomagnetic storm generated by the sun caused colorful streaks of light in the sky known as the Northern Lights to be visible as far south as southern New Jersey Tuesday night. Forecasters had ...

(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 are expected again Wednesday ...

Solar cycles, characterized by fluctuating sunspot activity, occur approximately every 11 years, although their duration varies between 8 and 14 years. The study of solar cycles dates back to the ...