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

Like the number of sunspots, the occurrence of solar flares follows the approximately 11-year solar cycle. But as the current Solar Cycle 25 approaches its peak, how are the number of solar flares ...

In the wake of the solar flares, the National Oceanic and Atmospheric Administration’s Space Weather Prediction Center ...

There is a chance of powerful X-class solar flares that are capable of causing radio blackouts over the next three days, according to forecasters. The National Oceanic and Atmospheric Administration ...

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 sun is not a static, tranquil sphere of gas, but an active, turbulent star with magnetic fields that twist and snap in powerful eruptions. Among the most striking and energetic of these eruptions ...

NASA's Solar Dynamics Observatory captured these images of the solar flares—as seen in the bright flashes in the upper right—on May 5 and May 6, 2024. The image shows a subset of extreme ultraviolet ...

There were significantly more X-class solar flares in 2024 than any other year for at least three decades. The arrival of solar maximum was a key reason for the spike, but other factors were also at ...

Scientists caught a massive and extremely powerful X-class solar flare being spat out from the sun on Friday (March 28), just before the stellar eruption triggered a radio blackout across two ...

A sunspot on the surface of our volatile star exploded yesterday, sending an extremely powerful solar flare flashing through space towards the Earth. The flare, which hit an X7.1-class in strength, is ...

The sun has somewhat surprised forecasters today with a dramatic X-class solar flare from a newly emerging sunspot region. The intense solar flare originated from sunspot region AR4046 and was ...

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