The massive sunspot that sparked an "extreme" geomagnetic storm in May 2024 unleashed hundreds of other dangerous solar ...

One way to track the solar cycle is by counting the number of sunspots, which are dark, cooler patches on the Sun’s surface.

When you buy through links on our articles, Future and its syndication partners may earn a commission. These processes follow the solar cycle, an 11-year cycle of increasing and decreasing activity on ...

We know that the sun has entered its peak phase of activity, called solar maximum. But are we still in it, or is solar maximum already behind us? Let's see what the data has to say. However, the ...

Observing an eclipse of the sun is always fascinating, but on March 29, 2025 — when a partial solar eclipse is visible in the Northern Hemisphere — there will be an extra reason to do so. As well as ...

The agencies that track sunspot activity say we’re now in peak solar activity, which has a big impact on the amount and southward extent of the Northern Lights. On Oct. 15, 2024 NOAA, NASA and the ...

An X7.1 (R3) solar flare erupted from Region 3842 this evening - as seen in this animation (courtesy of jhelioviewer). This was the second strongest flare of Solar ...

A new sunspot forming on the surface of the sun might be about to fling solar flares in our direction. The sunspot, named 3856, is facing Earth and has developed a volatile type of magnetic field ...

Our sun has officially hit its solar maximum, with increased rates of auroras and solar flares expected in the coming months, NASA has announced. The sun goes through 11-year cycles of activity, ...

After four centuries of advances, astronomers now capture the Sun’s swirling, dynamic features in stunning detail.

After months of intense solar flares, NASA confirms that the Sun has reached the most active period of its cycle. Reading time 3 minutes The Sun has been acting up, and we can finally confirm why.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The reason is an uptick in solar activity that’s leaving ...