A rapidly growing sunspot has fired off at least 18 M-class and three X-class flares in just 24 hours, including an intense X8.3 eruption.

This year has given stargazers plenty of opportunities to catch the colorful auroras of the northern lights flicker across the night sky, and that's expected to continue as the sun is now in its solar ...

The Greeks built on Babylonian astronomy to make their observations of eclipses, and the word “ekleipsis” appears as early as the fifth century B.C. in Thucydides’s history of the Peloponnesian War, ...

We explore the latest solar maximum predictions and look into why it could be a couple of years before we can confidently state when solar maximum occurred. When you purchase through links on our site ...