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. Credit: Created in Canva Pro by Daisy Dobrijevic 2024 was a busy year for solar news, but what ...

The unexpected surge of solar activity during the ongoing solar maximum may be tied to a lesser-known, 100-year-long cycle that is just beginning to ramp up again, a new study suggests. If that's true ...

December 2019 marked the beginning of Solar Cycle 25. The Sun’s activity has quickly ramped up and even though we haven’t reached peak levels in this cycle, the Sun’s activity is already exceeding ...

Kepler's sun drawings are the oldest sunspot records with known dates. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. "Half-forgotten" sunspot ...

Weather forecast for Neptune: After sunny weather for the past few Earth years, we’ll see increasingly more clouds over the next few years. In 1989, NASA’s Voyager 2 spacecraft provided the first ...

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.

The strongest solar flare in half a decade just launched off the sun from the same sunspot group that triggered dazzling auroras last weekend. But don't expect northern lights this time around. When ...

"We consider this phenomenon as a promising candidate to explain the fact that the solar activity is much more benign than that of other sun-like stars." When you purchase through links on our site, ...

The great solar storm of May 2024, which sparked beautiful auroral displays over much of the world, also created two new radiation belts that were observed with a satellite that came back from the ...