National Weather Service staff at its Moon office got a few odd calls Tuesday night about a strange-looking blue swirl moving across the sky. “We had a couple of calls on the overnight shift,” said ...

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A large, bright blue spiral spotted over Europe on Monday night sparked chatter on social media about what might have caused the mysterious vortex. Videos posted on X showed a blue orb in the night ...

On Monday (March 24), a giant swirl of light was spotted floating across the night sky in Europe like an ethereal whirlpool. The baffling light show wasn't caused by aliens, as some speculated, but a ...