Solar scientists are tracking a surge in activity on the sun that could unleash powerful storms toward Earth, with the potential to disrupt electricity, communications and navigation on a global scale ...

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

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

A "house of cards" is such a wonderful English phrase, one now primarily associated with a Netflix political drama.

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

A sunspot 10 times larger than Earth has appeared on the surface of the sun just as an X1.9-rated solar flare occurred.

Dazzling auroras delighted sky-gazers Tuesday night, even in southern U.S. states such as Florida where they rarely make an appearance — and more colorful displays are expected again Wednesday as ...

NEW YORK — Space weather forecasters issued an alert on Tuesday for incoming severe solar storms that could produce colorful northern lights and temporarily disrupt communications. The same solar ...

On December 1, 2025, NASA's Solar Dynamics Observatory observed a large spot on the Sun, known as Active Region (AR) 4294-96. This is the largest sunspot recorded in the past ten years and is believed ...

Particularly active sunspots have been discovered on the surface of the sun. A solar storm could occur, which can be very ...

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 severe ...