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 ...

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 ...

This month's supermoon had competition for the eyes of onlookers in the sky over Connecticut this week. That's because a glowing blue and white spiral of lights was visible in the sky throughout the ...