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

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

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

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 ...

The sunspot region 4366 fired off dozens of powerful solar flares in 24 hours, including the single strongest flare since ...

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

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

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

A strong solar flare peaked just after 9 a.m. Tuesday. What does that mean?

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