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

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

Scientists say this powerful surge in solar activity could set the stage for the northern lights to appear as early as ...

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

The sun has just fired off an eruption so intense it ranks among the most powerful solar flares seen in three decades, a jolt of energy that has put space weather forecasters and power grid operators ...

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

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.

"This is the largest solar radiation storm in over 20 years," the Space Weather Prediction Center said on Monday.

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 ...

An X-class solar flare has produced an Earth-directed coronal mass ejection, increasing solar activity and raising the likelihood of geomagnetic impacts within 24 hours.

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