Time-lapse video taken from Croatia at around 4 p.m. EST, or 9 p.m. local time, shows the glowing light spinning across the sky in what many social media commentators likened to a spiral galaxy.

A research team led by Shuo Huang (NAOJ and Nagoya University) has observed a massive and extremely active barred spiral ...

They saw a spiral of blue light in the night sky ... amateur astronomy groups shared photos of the space sighting which led to lots of questions about what exactly it could be.

It does not necessarily reflect the view of The Herald. A strange spiral light that appeared in the sky is believed to have been caused by a SpaceX rocket launch. If you'd looked up at the night ...

Aliens, black holes and far-off galaxies were some of the suggested explanations for a spectacular spiral light which appeared in the skies over Yorkshire and Lincolnshire on Monday. The ...