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 sky ...

It’s not just the title of a 1980s Brat Pack movie: St. Elmo’s fire is the name given to bright, sudden flashes of apparent lightning that can dance across a cloudy sky when thunderstorms are ...

X/@UHN_Plus The fireball was seen streaking across the atmosphere, illuminating the overcast clouds in the night sky with a bright neon blue color for about 7 seconds. X/@UHN_Plus The meteor was ...

Around 9:45 p.m., a bright blue-green ball flew across the sky. Eyewitness reports came in from as far as Georgia, the Carolinas and Missouri. It's likely that the path was over central Kentucky.