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 ...

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 ...

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 ...

Despite only being halfway through our current solar cycle, the sun is showing signs of starting another. The sun is approaching the solar maximum of its current 11-year solar cycle, meaning that it ...

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 ...