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.

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

The Sun has just hurled a powerful X-class flare toward Earth, and the resulting geomagnetic storm could push shimmering auroras far beyond their usual polar haunts. As the current solar cycle ...

In the span of two days last week, the sun released two strong solar flares — meaning the solar system experienced its most powerful explosions which can cause some communications blackouts on Earth, ...

The sun has a bone to pick with Earth — and it’s not done yet. A colossal solar storm just zapped the daylight side of the planet, causing global blackouts and knocking out radio signals across Europe ...

Waves of solar flares keep pouring out of the sun, sparking "rolling" radio blackouts across the world. Active sunspot regions on the sun's surface are responsible for the flares, which are classified ...

The sun is not a static, tranquil sphere of gas, but an active, turbulent star with magnetic fields that twist and snap in powerful eruptions. Among the most striking and energetic of these eruptions ...

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A record-breakingly sharp image of a solar flare allowed astronomers to get a closer look into the Sun's mysterious coronal loops. Reading time 2 minutes It took astronomers a little over a year to ...