An upside down "rainbow" has been spotted in the sky above Essex. Rachel Sanders spotted the circumzenithal arc in Gosfield, near Halstead, on Monday. The Met Office said the phenomenon was a type ...

On Tuesday afternoon, a Houston man caught a fleeting glimpse of what appeared to be an upside-down rainbow among wispy ...

We are looking at another aspect of optics in the atmosphere and the “cool” stuff you can sometimes see in the winter ...

Following the sweeping path of a cold wave through the Arctic, the skies were alight with rare polar stratospheric clouds, which presented a rainbow-like show throughout the sky. Images of the ...