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 the X showed a blue orb in the ...

Mysterious markings were reported in the sky on Monday night, but the explanation for them is more manmade than extraterrestrial. View on euronews ...

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 ...