Northern lights occur when a solar flare interacts with Earth's atmosphere.

Oh, the Sun is active, alright! While we are past the solar maximum, the peak of activity of the Sun in its 11-year cycle, we ...

This Feb. 4, 2026, image from NASA's Solar Dynamics Observatory (SDO) captures a strong solar flare erupting from the star.

Region 4366 seen on the surface of the sun via NASA's Solar Dynamics Observatory (SDO) spacecraft on Feb. 4, 2026. This ...

Something stormy is happening in the skies right now. The sun has released a “relentless barrage” of solar flares (21 overall ...

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

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

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

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

Right on schedule to welcome the new month, the Sun has turned into a solar firing range of sorts this week, unleashing a ...

The Sun is putting on quite a show right now. Earth-facing sunspot region 4366 has been erupting almost non-stop since it emerged on January 30, producing six X-class solar flares so far.

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 aurora Australis.