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

After a calm week, the sun erupted again. A powerful M5.1 solar flare burst from an emerging sunspot region, shaking the stillness of space weather and igniting new forecasts of heightened activity.

The massive sunspot that sparked an "extreme" geomagnetic storm in May 2024 unleashed hundreds of other dangerous solar ...

Our planet was rocked by some of the worst geomagnetic storms in more than 20 years. Triggered by a slew of solar flares, the ...

The Sun’s most violent flares are turning out to be even more extreme than I, or many solar physicists, had imagined. By ...

A patch of turmoil on the Sun can feel far away, until it reaches into your daily life. In 2024, one solar region became so ...

Researchers have identified a newly recognized type of extremely energetic particles located in the Sun’s upper atmosphere, revealing a phenomenon that had not been detected before. Solar scientists r ...

Space weather observers warn that the Van Allen radiation belts are now fully charged after repeated solar storms, raising ...

Scientists tracked active solar region NOAA 13664 for 94 days, showing how persistent magnetic complexity drives flares and ...

A new solar storm is approaching. In 2025 there were several, but they did not have serious consequences. Now, the US ...

KENNEDY SPACE CENTER — SpaceX launched three satellites early Wednesday on a million-mile trip to tackle the mysteries of space weather, including how to protect from the sun’s disruptive and ...

The star at the center of the solar system does more than provide light and warmth. It also acts as the most powerful particle accelerator in the neighborhood, whipping electrons to near-light speed ...