Sunspots AR3664 and AR3663 have been erupting with X- and M-class solar flares. Both sunspots are Earth-facing and could potentially deliver a solar storm. NASA's Solar Dynamics Observatory captured ...

Last year gave skywatchers multiple stunning sky shows, including the total solar eclipse, the return of the “devil comet,” ...

Heliophysics enters a pivotal year in 2025 with solar cycle activity, major missions, and a strategic research blueprint ...