A vast, volatile blemish has opened on the face of the Sun, and it is already rewriting the current solar cycle’s record book. The decade’s largest sunspot, a complex tangle of magnetism more than ten ...

A rare blast from the sun has just pushed radiation in Earth’s atmosphere to levels not seen in nearly two decades, briefly ...

Activity on the sun is not constant; it varies along a cycle of about 11 years. The peak of this solar cycle — called solar ...

The sun may be coming out of its slumber at long last. On Friday morning (May 29), our star fired off its strongest flare since October 2017, an eruption spotted by NASA's sun-watching Solar Dynamics ...

CAPE CANAVERAL, Fla. — A NASA telescope has captured the biggest solar flare in years, which temporarily knocked out radio communication on Earth. The sun spit out the huge flare along with a massive ...

Beautiful yet dangerous solar flares that erupt from the sun could be as hot as 180 million degrees Fahrenheit, researchers say. That's more than six times hotter than solar physicists previously ...

A massive sunspot, over 10 times the size of Earth, has appeared on the sun. It is likely to produce multiple solar flares over the coming weeks, which could lead to bright auroras, the famous ...

The clearest pictures ever taken of a solar flare have been taken by the world's largest solar telescope. Get any of our free email newsletters — news headlines, sports, arts & entertainment, state ...