Scientists decode Johannes Kepler’s 417-year-old sunspot drawings, solving a long-standing mystery about solar cycles and the ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. These processes follow the ...

Scientists have discovered that the Sun experienced a 70-year dimming period, suggesting it could unexpectedly enter a ...

May and June 2024 saw the highest sunspot numbers on the sun since 2002, but is the peak of the solar cycle here yet? The sun follows an 11-year solar cycle of increasing and decreasing activity.

Solar Cycle 25 has begun. During a media event on Tuesday, experts from NASA and the National Oceanic and Atmospheric Administration (NOAA) discussed their analysis and predictions about the new solar ...

Kepler recorded a dark spot on the Sun using a camera obscura, initially believing it to be a transit of Mercury. It was later understood to be a sunspot group, making his drawing one of the earliest ...

Medieval poets wrote about auroras. Their work is providing clues to the solar cycle Medieval poets, including a Japanese noble, provided key descriptions to track down solar events ...

Every morning, astronomer Steve Padilla takes a short walk from his home to the base of a tower that soars 150 feet above the ground. Tucked in the San Gabriel Mountains, about an hour’s drive north ...