Solar Cycle 25 has reached its most active phase, bringing stronger solar flares and geomagnetic storms that may affect Earth’s technology.

The most powerful solar flare of 2026 so far is racing toward Earth, riding on the heels of a historic radiation storm and threatening fresh radio blackouts just as power grids and satellites are ...

Richard Carrington’s name has long been connected with the most intense solar storm ever recorded, but his face was unknown until a lost portrait surfaced.