For the fourth year in a row, iridescent clouds of frozen CO2 are lighting the Martian sky. The clouds appear in the same ...

It is remarkable that tBese iridescent hues can be communicated to other surfaces as a seal imparts its impress to wax. The colors may be best seen by taking an impression of the mother-of-pearl ...

NASA's Curiosity rover captured images of noctilucent clouds during a Martian sunset, including a rare category of iridescent bright noctilucent clouds that appear feather-shaped and glow in the ...

Mother-of-pearl, the iridescent coating inside oyster shells, once formed the foundation of a thriving button industry in the U.S. What is now the United States became famous for two products.

New images captured by NASA's Curiosity rover show colorful clouds in the sky over Mars. The images were captured by the rover's Mastcam, which NASA's Jet Propulsion Laboratory compared to the rover's ...

If the conditions are just right, they sometimes even take on an iridescent, “mother-of-pearl” quality. And last month, NASA’s Curiosity rover captured both noctilucent and shimmering cloud formations ...

By secreting layers of aragonite and conchiolin, the same substances that are in its calcium carbonate shell, the mollusc creates a material called nacre, commonly known as mother-of-pearl. The oyster ...