Thousands of solar tornadoes swirl above the sun’s surface at any given moment. These remarkable photos give us a glimpse at these stunning cosmic phenomena.

That complexity could mean bigger fireworks ahead. With the sunspot now rotating to face Earth, it could pose a threat for stronger space weather events in the coming days. M-class flares, like those ...

Some exoplanets in their stars' habitable zones may be distinctly uninhabitable due to solar flaring. Red dwarfs are known for powerful flaring, and since they're dim and their habitable zones are ...

Our Sun constantly froths with sunspots and solar flares, many larger than our planet, and yet these are dwarfed by Coronal Mass Ejections, such as the Carrington Event of 1859, which would have wiped ...