The sun has just fired off an eruption so intense it ranks among the most powerful solar flares seen in three decades, a jolt ...

Space weather has seen a flurry of activity this week. An explosive solar flare that erupted Tuesday, just two days after the ...

Close-up observations of the Sun explain how solar flares start, grow, and send high-energy particles racing through space.

The Sun has unleashed a quartet of strong solar flares, which could herald a wild week of space weather. It all kicked off at ...

NOAA warns of likely G1-class geomagnetic storms on Thursday, Feb. 5, through Friday, Feb. 6, as a coronal mass ejection from ...

A solar flare is an extremely bright flash of radiation. It occurs when magnetic energy associated with a sunspot is suddenly ...

The sun is experiencing a violent solar storm, releasing one of the strongest solar flares seen in the past 30 years ...

We could be in for a Northern Light show of epic proportions. A barrage of intense flares erupted from the Sun earlier this ...

Fired from a vast sunspot, the "coronal mass ejection" is expected to reach Earth on either Thursday or Friday this week.

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.

Sun Region 4366 has produced dozens of solar flares since Jan. 30, "putting on quite a show," says Slooh President and ...

NASA has reported a X4.2 solar flare, so what does it mean? We break down what a solar flare is and how it connects to the ...