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

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

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

Multiple M-class and X-class solar flares erupted within 24 hours as an active sunspot released intense radiation affecting Earth’s upper atmosphere and radio communications.

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.

Solar flare triggers tech blackouts as X8.11-class eruption disrupts GPS, streaming, and satellite services ahead of incoming ...

A surge of solar activity could trigger auroras.

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

On February 4, 2026, the Sun unleashed an intense X4.2 solar flare, sparking significant radio blackouts across parts of ...

The most intense type of solar flares emitted by the Sun is the X-class, and several of them in a short period of time is ...

In a dramatic escalation of solar activity, the sun has unleashed an X8.3 flare — 2026’s strongest yet — causing radio blackouts as scientists monitor Earth-directed CMEs ...

An impulsive X4.2 solar flare sparked strong radio blackouts across Africa and Europe as the giant sunspot continues to rage.