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 ...

The solar maximum may be over, but the sun has still been busy with activity.

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

A sunspot, potentially generating multiple solar flares, may lead to auroras that could be visible as far south as Alabama.

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

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

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 ...

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 ...