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.
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See it: NASA captures strong X-class solar flare from sun, potential for enhanced auroras
The Sun released a strong solar flare on Tuesday, Feb. 3, following several eruptions in the preceding days, prompting ...
Fired from a vast sunspot, the "coronal mass ejection" is expected to reach Earth on either Thursday or Friday this week.
Multiple M-class and X-class solar flares erupted within 24 hours as an active sunspot released intense radiation affecting Earth’s upper atmosphere and radio communications.
Space weather has seen a flurry of activity this week. An explosive solar flare that erupted Tuesday, just two days after the ...
In a dramatic escalation of solar activity, the sun has unleashed an X8.3 flare — 2026’s strongest yet — causing radio blackouts as scientists monitor Earth-directed CMEs ...
The Sun has released four powerful X-class solar flares in just two days, alarming scientists worldwide. Experts warn these eruptions may disrupt satellites, communication systems and power grids as ...
The Sun unleashed a powerful X8.3 solar flare on Feb 1, 2026, triggering R3 radio blackouts. Explore the impacts of the year's strongest eruption.
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