Northern lights occur when a solar flare interacts with Earth's atmosphere.

A rapidly growing sunspot has fired off at least 18 M-class and three X-class flares in just 24 hours, including an intense ...

The sunspot region released as many as four X-class flares in a span of 24 hours.

Fired from a vast sunspot, the "coronal mass ejection" is expected to reach Earth on either Thursday or Friday this week.

The sunspot region 4366 fired off dozens of powerful solar flares in 24 hours, including the single strongest flare since ...

In a dramatic escalation of solar activity, the sun has unleashed an X8.3 flare — 2026’s strongest yet — causing radio ...

What Are Solar Flares? Solar flares are explosive bursts of radiation resulting from the release of magnetic energy associated with sunspots. They occur when magnetic fields around sunspots become ...

Multiple M-class and X-class solar flares erupted within 24 hours as an active sunspot released intense radiation affecting ...

Scientists monitor an unusually active sunspot as powerful solar flares erupt, raising questions about causes, cycles, and ...

Scientists are anticipating the possibility of witnessing striking auroras on Thursday.

Something stormy is happening in the skies right now. The sun has released a “relentless barrage” of solar flares (21 overall ...

Something stormy is brewing in the skies as the sun unleashes a series of powerful solar flares. Over a span of just 24 hours, scientists have recorded a staggering 21 solar flares, with several ...