The atmospheric phenomenon, technically known as a circumhorizontal arc, only occurs at precise locations under specific conditions.

One of the oldest images is that of the Rainbow Serpent in Australian Aboriginal traditions. The serpent is often seen as the creator, shaping the earth’s mountains and valleys as it moves over ...

Signs of mysterious rainbow-like patterns have been detected on a planet outside the solar system, astronomers have said. The phenomenon, named the glory effect, is often seen on Earth and has ...