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

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.

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

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

A volatile region on the Sun has just fired off a monster solar flare, followed by a blast of charged particles that ...

A solar radiation storm stronger than one we've seen in over two decades is in progress, the Space Weather Prediction Center announced Monday.

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.

The NOAA Space Weather Prediction Center has confirmed that severe G4 geomagnetic storm conditions have already been reached ...

The flare was part of a series of three X-class solar eruptions that occurred between late February 1 and early February 2.

The storm could also impact power systems and spacecraft operations.

A powerful solar storm lit skies far beyond the poles, revealing how Earth’s magnetic shield protects the planet during ...

Tree rings hold clues about ancient solar storms. New research shows tree growth and carbon storage can shift those signals across years.