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 ...

A stunning blue light likely caused by SpaceX Falcon 9 rocket fuel illuminated the night skies over Europe on Monday.

Is it a plane? Is it a satellite? Is it a galaxy? Is it aliens? A strange blue spiral lit up the skies over Europe on Monday ...

Forbes contributors publish independent expert analyses and insights. Jamie Carter is an award-winning reporter who covers the night sky.

0:36 Glowing spiral floats through U.K. night sky People across Europe witnessed a mysterious glowing blue spiral in the night sky this week, and scientists say they think they know what caused ...

The blue spiral seen from Farsta in southern Stockholm. Photo: Jens Thörnevall/TT The strange phenomenon lit up the night sky above large parts of Sweden on Monday evening. People in Halland, Skåne ...

Paris: A blue and white spiral spotted in the sky in France and the UK was likely created by a SpaceX rocket, according to weather forecasters in both countries. The UK's Met Office said it had ...

A blue spiral seen in the night sky across Europe on March 24 was likely caused by a SpaceX Falcon 9 rocket, the UK’s Met Office said. Footage from Jamie Hume shows the spiral in the sky on Monday ...

Videos posted on the X showed a blue orb in the night sky that was visible in the U.K., France and other countries.

Was the cosmic whirlpool a spiral galaxy, a UFO, or something much more down to Earth? Is it a plane? Is it a satellite? Is it a galaxy? Is it aliens? A strange blue spiral lit up the skies over ...