Solar flares have an enormous impact on the wider Solar System. These sudden releases of energy can cause geomagnetic storms ...

A erupted with M1 and M6 class solar flares. Watch the fireworks in these views from NASA's Solar Dynamics Observatory.

A NOAA forecast has Northern Lights visible in northern U.S. states overnight on Monday, Jan. 19 through Tuesday, Jan. 20, as ...

Just as avalanches on snowy mountains start with the movement of a small quantity of snow, the ESA-led Solar Orbiter ...

A solar radiation storm marks the release of intense, rapidly-moving charged particles toward Earth and can impact space launches, aviation and satellite operations. The last time severe solar ...

Thanks to a giant eruption on the Sun and a large opening in its atmosphere, we're currently experiencing G4 conditions – a ...

NASA explained that the flare was classified as an X1.9 flare. X-class flares are the most powerful type of solar flares. The number 1.9 shows how strong the flare was within this highest category.

Sparked by a fast-moving solar storm, the Northern Lights may stretch far to the south tonight, and might even be visible ...

“This is the longest continuous series of images ever created for a single active region: It’s a milestone in solar physics,” ...

A geomagnetic storm watch has been issued after a powerful solar flare over the weekend. The solar flare peaked at 9:49 p.m. EST on Sunday, November 30, said NASA's Solar Dynamics Observatory, which ...

After weeks of reduced activity, the sun erupted with three powerful flares on a single day. That could send solar flares toward Earth, impacting electronics and making it possible to view the ...

Scientists tracked active solar region NOAA 13664 for 94 days, showing how persistent magnetic complexity drives flares and ...