The sun started 2025 with a bang as it fired off a powerful solar flare this morning.

Sunspot AR3234 blasted an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

The huge solar flare may be the last big explosion from the sun this year. The sun is not quite done with 2024.

The European Space Agency shows how the sun’s activity has ramped up as it careened toward "solar maximum." Data sonification brings solar flares to life through audio.

"Our simulations use what we call a realistic approach ... In April, the SDO observed a quadruple eruption of solar flares. The rare event was caused by a buildup of magnetic energy in the ...