The 22° Halo is a striking optical phenomenon that manifests as a circular ring of light around the sun or moon. This halo is ...

A woman has described the "breath-taking" experience of seeing a rare ghostly shadow phenomenon while out walking. A Brocken spectre optical illusion ... by a rainbow halo. Lauren Wood, a mountain ...

Hong Kong on Tuesday witnessed a rare natural phenomenon, a halo around the sun, that can be experienced only when meteorological conditions are right. The Observatory posted pictures on its ...