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 ...

They can also appear horizontally like a halo. So rubbing your eyes all you want won't make it any less real. This tree-born natural phenomenon is stunning! Resembling the wall of a parent with a ...

The phenomenon is caused by the refraction of moonlight from ice crystals in the upper atmosphere. According to the Met Office, the halo can mean rainfall might be approaching. It added ...

Although many lunar phenomena are one-night-only events, a ring around the moon is much less elusive. Also known as a lunar halo, a bright white ring of light around the moon can appear anytime ...

These crystals act as natural prisms ... where the atmospheric conditions favor such phenomena. The double sun halo seen in Ladakh was a spectacular sight, with two rings of light surrounding ...