The Northern Lights—known scientifically as the Aurora Borealis —are one of the most breathtaking natural wonders on Earth. Each winter, Iceland’s long, dark nights provide a front-row seat to this celestial spectacle, as ribbons of green, pink, purple, and blue light shimmer and swirl across the sky. Between September and April , travelers from around the world flock to Iceland hoping to witness this unforgettable show of color and motion. 🌠 What Causes the Northern Lights?