Sunspot AR3234 blasted an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...
Composite images reveal how the sun's corona changed from one total solar eclipse to another in 2023 and 2024, just as solar ...
It's also dubbed the "most spotted star in the sky." Sunspots, which are temporarily darkened areas on the surface of the sun, are the result of intense magnetic fields generated through the ...