Northern lights occur when a solar flare interacts with Earth's atmosphere.
Photographers captured the sun's beauty in the Readers Photo Challenge. See the stunning images of sunrises, sunsets and ...
The sunspot region designated AR 14098 rotated over the Sun’s eastern limb in late January carrying magnetic complexity forecasters had not seen since the final months of 2025. Within 96 hours of ...
A new sunspot group has quickly grown and is spewing out the most intense type of solar flare. Effects on Earth are forecast ...
The sun is experiencing a violent solar storm, releasing one of the strongest solar flares seen in the past 30 years ...
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.
Recent X8-class solar flare activity reveals critical weaknesses in America's power grid, where geomagnetic currents could destroy transformers and trigger prolonged blackouts.