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

The flares are coming from a solar region that was created in late January.

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

A new sunspot group has quickly grown and is spewing out the most intense type of solar flare. Effects on Earth are forecast ...

“Here comes the sun” never sounded so ominous. The sun is putting on a superheated fireworks display. Our solar system’s ...

The sun is putting on a show. On Sunday the star unleashed several strong and bright solar flares, including one of the most ...

A rapidly growing sunspot has fired off at least 18 M-class and three X-class flares in just 24 hours, including an intense ...

In a dramatic escalation of solar activity, the sun has unleashed an X8.3 flare — 2026’s strongest yet — causing radio ...

The sunspot region 4366 fired off dozens of powerful solar flares in 24 hours, including the single strongest flare since 2024. Auroras are possible later this week.

"This is one of the most exciting results from Solar Orbiter so far." ...

Using data collected by NASA's Parker Solar Probe during its closest approach to the sun, a University of Arizona-led ...

Scientists monitor an unusually active sunspot as powerful solar flares erupt, raising questions about causes, cycles, and ...