Images captured by NASA's Solar Dynamics Observatory have revealed that "coronal loops" give off subtle flashes of ...

The solar maximum, the apex of the sun's 11-year activity cycle, is when all types of solar weather, which includes more coronal mass ejections and geomagnetic storms, will occur most frequently.

A solar explosion called a coronal mass ejection is poised to graze Earth on Friday or Saturday (Jan. 24 or Jan. 25), ...

"Some of the extreme ultraviolet light above active regions flickers erratically for a few hours before a solar flare," ...

Aurora chasers are on high alert for minor geomagnetic storm conditions from Jan. 24 through to Jan. 25. Northern lights might be visible over some northern and upper Midwest states.

Another display of the northern lights could be visible this weekend in several U.S. states following a severe solar storm.

The sun’s solar wind, made of charged particles, interacts with powerful eruptions, affecting cosmic rays and space weather.