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

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

The chromosphere is a dynamic layer of the sun that is home to flares and other types of solar activity. Astronomers make observations of this layer using a specialized filter, tuned to the wavelength ...

The Earth will be under a geomagnetic storm watch from Thursday through Saturday because of the effects of a solar flare that could make the northern lights visible in some parts of lower 48 states, ...

This was the view as a multi-colored curtain of aurora formed to the south in my sky during the great display of Northern Lights on May 10, 2024. The Kp Index peaked at 8 this night bringing the ...

The sun is not only our closest stellar neighbor, it's also the star we understand the most. As we've observed it over the ...

New SwRI-led research connects circular flare ribbons, as observed with by Swedish 1-m Solar Telescope during the M4.7-class solar flare on May 3, 2023, with energy released by repeated bursts of ...