The sun released an X-class solar flare on Sunday afternoon, increasing northern lights chances for Monday night.
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 ...
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 ...
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 ...
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 ...