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 ...

The cause of the strange blue spiral is actually a SpaceX Falcon 9 rocket that blasted off from Space Launch Complex 40 (SLC-40) at Cape Canaveral Space Force Station in Florida at 1:48 p.m. EDT (1748 ...

A blue and white spiral in the night sky is seen from Sweden. (Bertrand Ilhe / AFP via Getty Images) ...