Solar physicists have long known that the sun stores staggering amounts of magnetic energy, but the exact trigger that lets that energy explode in a solar flare has been stubbornly elusive. Now, a new ...

Add Yahoo as a preferred source to see more of our stories on Google. In the span of two days last week, the sun released two strong solar flares — meaning the solar system experienced its most ...

Just as avalanches on snowy mountains start with the movement of a small quantity of snow, the ESA-led Solar Orbiter spacecraft has discovered that a solar flare is triggered by initially weak ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

The Sun released a strong solar flare on Tuesday, Feb. 3, following several eruptions in the preceding days, raising the possibility of increased geomagnetic storm activity. Nasa’s Solar Dynamic ...

"This is one of the most exciting results from Solar Orbiter so far." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the ...

Update, Feb. 3 at 11 a.m. ET: The monster sunspot region 4366 is now facing Earth, and shows no signs of weakening. It is the most active sunspot of the current solar cycle (cycle 25). NOAA predicts ...

This Feb. 4, 2026, image from NASA's Solar Dynamics Observatory (SDO) captures a strong solar flare erupting from the star. Solar flares are powerful bursts of energy that can, along with other types ...