When the moon blots out the sun in a solar eclipse on Sunday (May 20), producing a "ring of fire" in the sky, it will cover roughly 94 percent that of the sun and offer a rare view of our nearest star ...

A deep partial solar eclipse will be visible on Sunday, Sept. 21 - but don't plan a watch party just yet. Only about 16 million people, or 0.2% of the Earth's population, will be able to view the ...

If you’re seeing social media posts about an X-class solar flare, here’s what you need to know now. A powerful X-class solar flare, the strongest category scientists track, erupted from the Sun on Jan ...

The sun probably produced its best eruption of the year so far — and began bringing an aurora to the western United States on Sunday. A “severe” solar storm — rated a level 4 out of 5 — arrived on ...

Between layers of clouds, a partial solar eclipse is seen at sunrise over Rice Lake, Ontario, as the sun, partially covered by the moon, rises in a beautiful orange sky above the trees and water. Are ...