In nature, phenomena like white cumulus clouds, gray storm systems, and even the hollow hairs of polar bears offer remarkable lessons in balancing temperature, color and invisibility.

This detailed image of a famous supernova remnant in the constellation Cygnus is the hauntingly beautiful swan song for a massive star.

A 2012 satellite photo captured an unusual "double rainbow" glory appearing next to an unconnected chain of rare vortices in the clouds above Mexico's Guadalupe Island.

Chief Meteorologist Tom Tasselmyer said temperatures will dip into the mid-70s on Friday. There will be a chance for rain across parts of the region.

News UK & World Bad Weather Rare 'roll clouds' spotted over Portuguese beaches as heatwave sweeps Europe Wild weather is hitting various parts of Europe during the current record-breaking heatwave.

It can tune its color and temperature like a real cloud—between cooling white and heating gray—while staying hidden from thermal cameras," Professor Mady Elbahri from Aalto University explains.

Catholic devotees in the Philippines were stunned when an apparition of Jesus appeared in the clouds following a Mass.