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.

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.

太阳耀斑是指太阳表面局部区域在短时间内释放出巨大能量的爆发现象，属于太阳系中最剧烈的活动之一。耀斑可在数分钟到数小时内释放大量X射线、紫外线以及高能粒子。科学家根据X射线通量将太阳耀斑分为A、B、C、M、X五个等级，其中最强的 X级耀斑 ...

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

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

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

The Sun released a strong solar flare on Tuesday, Feb. 3, following several eruptions in the preceding days, prompting ...

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

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

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

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