Add Yahoo as a preferred source to see more of our stories on Google. A surge in solar activity, including an X8.3-class solar flare from fast-growing sunspot Region 4366—has triggered multiple ...

(NEXSTAR) — It’s been a busy few weeks on the sun, and yet another eruption of material has been blasted out into space. If conditions are right, it could spark strong G3 geomagnetic storm levels on ...

The sun emitted some of the most powerful solar flares this week, NASA announced. The star emitted three strong solar flares on Sunday, Feb. 1, peaking at 7:33 a.m. ET, 6:37 p.m. ET and 7:36 p.m. ET, ...

This week, we examine strength from different perspectives. The energetic strength of a solar flare and its effect on Earth. The gravitational strength of dark matter in our universe and its ...

The planet is experiencing the most powerful solar event since 2003—and it's bringing spectacular Northern Lights.

Researchers have proposed that changes in Earth's ionosphere could trigger electrical forces that nudge fragile areas of the ...