The colorful northern lights may reveal themselves to a wide swath of Americans Friday night due to an impending solar storm ...

Sunspots are temporary, dark regions on the sun's surface caused by concentrated magnetic activity, which inhibits the flow ...

Another display of the northern lights could be visible this weekend in several U.S. states following a severe solar storm.

Solar activity, particularly the presence of sunspots, has significant implications for both our understanding of the Sun's behavior and its effects on Earth. Over the centuries, variations in ...

CHARLOTTE, USA - MAY 10: A view of an unusual sun activity created a sunspot, that is responsible ... [+] for a G4 Geostorm on Earth, the last time this magnitude happened was 20 years ago in ...

Sunspot activity returned to "normal" afterward. Nothing like the Maunder minimum has been seen in the era of telescopes, not ...

World Weather, Inc. has used the 11-year and 22-year solar cycle as a leading tool in the prediction of general weather ...

The colorful northern lights may reveal themselves to South Dakotans Friday night due to an impending solar storm forecast to ...

Astronomers modeled sunspot activity on a nearby red giant star to learn about its chaotic interior. Sunspots, which are temporarily darkened areas on the surface of the sun, are the result of ...

The sun is quiet. There hasn’t been a significant solar flare for over a week and although there are sunspots facing Earth, none of them are unstable. When solar activity slows, Earth’s ...