The quiet arrival offers another indication that the sun is moving into the declining phase of its 11-year cycle.

Sunspot AR4618 erupted with an M4.4-class solar flare causing a coronal mass ejection (CME) that may give Earth a glancing ...

As this month's string of powerful X-class solar flares sparked brilliant auroras that lit up skies across an unusually wide ...

Solar scientists say 2025 could bring the most intense solar maximum in two decades, raising serious concerns about the ...

Largest Solar Flare of 2025 causes radio blackouts across Europe and Africa. NOAA warns of a G3 storm that could affect power grids and GPS systems.

Stealth CMEs are typically more common when the Sun is in the waning phase of its 11-year solar activity cycle.

The British Geological Society is warning that the Earth is about to get hit by the most powerful solar storm in over two decades.

Solar flares are classified based on their strength into classes A, B, C, M, and X, with each class being ten times more powerful than the previous one.

The same active region of the sun that produced stunning auroras that were visible as far south as Mexico earlier this week ...