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

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

Federal forecasters are warning that a powerful X-class solar flare could trigger strong radio blackouts and strain power ...

The massive sunspot that sparked an "extreme" geomagnetic storm in May 2024 unleashed hundreds of other dangerous solar flares, including a hidden X-class outburst, a new paper reveals. The study sets ...

By tracing solar flare gamma rays, scientists gain new insight into particle behavior that shapes space weather forecasts.

A NOAA forecast has Northern Lights visible in northern U.S. states overnight on Monday, Jan. 19 through Tuesday, Jan. 20, as ...

The sun recently erupted with a potent X-class solar flare, triggering a fast-moving coronal mass ejection (CME) that is ...

OVRO-LWA radio data contrasts a quiet day (Sept. 29, 2025) with the hours after the X1.7-class flare recorded at 2:35 ET on Nov. 9. The type III radio bursts, shown in the radio dynamic spectrum ...

Solar flares are intense bursts of light and particles from the sun. While they can pose hazards for things like satellites, these flares are also beautiful, dramatic and incredibly hot. NPR's Nell ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Sunspot AR 13364 grew to be up to 15 times wider than Earth and unleashed nearly 1,000 different ...