The last event comparable to this occurred in mid-December when the sun emitted an X2-class solar flare. Astronomers deem the latest X5 class, signifying it was several dozen times stronger.

There were a total of 54 X-class flares in 2024, according to SpaceWeatherLive.com, which maintains the oldest and most accurate publicly available dataset on solar flares.That is the highest ...

MOSCOW, November 1. /TASS/. Scientists have registered a solar flare of the most powerful X-class in the early hours of Friday, Russia’s Fedorov Institute of Applied Geophysics has told TASS.

Solar activity is reckoned to be at a 23-year high. As if on cue, X-class solar flares on the sun — which are often followed by CMEs — occurred again on Friday, Jan. 3 and Saturday ...

captured this image of an X5.8 solar flare peaking at 9:23 p.m. EDT on May 10, 2024. The image shows a subset of extreme ultraviolet light that highlights the extremely hot material in flares.

The sun started 2025 with a bang as it fired off a powerful solar flare this morning. The X-class solar flare peaked at an X1.2 at 6:40 a.m. EST (1140 GMT) on Friday (Jan. 3), releasing a blast of ...

An X-class solar flare erupted on December 29, 2023, sending a burst of solar energy toward Earth that may enhance auroras just in time for New Year celebrations. The flare, classified as X1.1 ...

"A pulse of X-rays from the flare produced a strong shortwave radio blackout over southeast Asia and Australia," said NASA 's Solar Dynamics Observatory, which recorded the X1-class solar flare.