The Sun's rays scatter against the clouds, creating colorful, "mother-of-pearl" clouds tinged with red and green. Regular Martian clouds are composed of water ice, but researchers believe that ...

Large parts of the UK have seen some very rare clouds that looks like a sheet of rainbow across the skies over the last few days. Lots of people thought they were rainbows in the sky or the ...

Mother-of-pearl is the hard, silvery, internal layer of several kinds of shells, especially oysters, the large varieties of which in the Indian Seas secrete this coat of sufficient thickness to ...

Sometimes these clouds even create a rainbow of colors, producing iridescent, or "mother-of-pearl" clouds. Too faint to be seen in daylight, they're only visible when the clouds are especially ...

It shows colourful "mother-of-pearl" clouds, so-called because of the pretty pastel colours you can see in them. They're made up of frozen carbon dioxide, which you may know as dry ice ...