Aurora borealis dancing over power lines in northern Colorado during a severe G4 geomagnetic storm on Nov. 11, 2025.
A man stands in front of the northern lights in Buckeye, Colorado, on Tuesday night.
Rare proton aurora illuminates the skies in front of a bright red and green auroral glow.
Deep red aurora pillars illuminating the sky.
Pulsating curtain aurora moves overhead.
A man stands in front of the auroral glow.
Bright green proton aurora (far right of picture) moves overhead as the geomagnetic storm intensifies.