The massive sunspot that sparked an "extreme" geomagnetic storm in May 2024 unleashed hundreds of other dangerous solar ...
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 ...
One way to track the solar cycle is by counting the number of sunspots, which are dark, cooler patches on the Sun’s surface.
The sun is powered by the nuclear fusion of hydrogen to helium, deep within its core. Above the sun's surface, however, a different force dominates: electromagnetism. This force is responsible for ...