The strongest flare of the period, a C5.9, peaked at 12:44 UTC on August 29 from AR4197 (S19E09). Other notable flares include a C5.0 at 17:15 UTC on August 29 from AR4195, a C4.6 at 2:11 UTC on ...

The video explains how solar flares from the Sun impact Earth’s atmosphere, magnetic field, and technology, causing disruptions to satellites, GPS, and power grids. Scientists monitor solar activity, ...

Sun activity remains moderate after the production of four M (moderate) flares, but the real excitement is the fiery action around the solar periphery. Gorgeous fiery prominences – ropes of solar ...

The world’s most powerful solar telescope has captured the highest resolution observations of the sun’s visible surface — and uncovered a hidden process that drives solar activity. Scientists used the ...

The Sun has produced another powerful X-class solar flare, underscoring the heightened activity of Solar Cycle 25 and reminding scientists that our star is entering one of its most energetic phases in ...

The sun has become increasingly active since 2008, a new NASA study shows. Solar activity is known to fluctuate in cycles of 11 years, but there are longer-term variations that can last decades. Case ...

Skywatchers across the northern United States and parts of Europe have had far more chances to see the aurora over the past two years than during a typical decade, and the reason traces back to where ...

A year ago this weekend, the sun’s activity created some of the most spectacular auroras on record, with displays visible as far south as Florida. The incredible spectacles last May (and another ...

A Southwest Research Institute (SwRI)-led team has developed an improved model for predicting solar events that incorporates activity on the far side of the sun. The team studied near-simultaneous ...