A coalition of New Mexico residents are pushing to save the nearly 80-year-old Sunspot Solar Observatory in the Sacramento ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Colorful auroras ...

Fourth of July celebrations across the United States this weekend could be accompanied by light shows in the night skies, as ...

When sunspots erupt at nearly the same time, it could be something known as "sympathetic solar flares." A double eruption ...

Auroras filled much of the world’s skies for several nights in mid-May as a historic geomagnetic storm coursed 100 kilometers above our heads. Being able to see auroras so deep into the tropics was ...

The feature was designated sunspot complex 3976-82, named for a series of individual active regions that had drifted together ...

Since ancient times, the sun has been known as a giver of light and heat, a source of life. Plants are coaxed from the Earth by its rays, bringing spring, followed by bountiful harvests. The Earth ...

Using modern techniques, researchers have re-examined Johannes Kepler's half-forgotten sunspot drawings and revealed previously-hidden information about the solar cycles before the grand solar minimum ...

The upcoming partial solar eclipse on March 29 is the perfect time to watch the moon hide and then reveal dark patches on the surface of the sun. When you purchase through links on our site, we may ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A whopping sunspot that is getting larger and crackling with activity ...