In the pre-dawn hours of Nov. 11, the sun let loose a dazzling but disruptive display of its power: an X5.1-class solar flare ...

The X5.1-class eruption from sunspot AR4274 is this year's most powerful solar flare and Earth is in the firing line.

The eruption was accompanied by a CME, which is currently under analysis to assess whether any part of it is headed for Earth ...

The sun unleashed the strongest X5.1 class solar flare, blasting the Earth with 2025 year’s strongest solar activity so far ...

Scientists said the sun erupted Tuesday morning, unleashing a strong X5.1-class flare in an intense outburst, causing ...

A powerful geomagnetic solar storm is helping to unveil northern lights across the United States. Here's how auroras become visible.

The back-to-back eruptions caused radio blackouts across two hemispheres as the active sunspots turn to face Earth.

The United States weather agency has issued a G4 geomagnetic storm watch alert, implying severe storms expected.

A severe geomagnetic storm watch was issued by NOAA on Tuesday in response to recent coronal mass ejections from the sun.

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

A high-powered solar flare erupted from the sun last week, causing a major radio blackout in Europe and Asia. The eruption happened at 3:25 a.m., meaning that the sun wasn't in the Texas sky at the ...

The hottest parts of the sun are its solar flares, and a new study suggests these flares could be more than six times hotter than scientists used... Beautiful yet dangerous solar flares that erupt ...