What makes a rainforest? Millions of things, livin...  ...rtantly of all, rain. Rain, obviously, comes from clouds , and clouds come from.... fungi? Maybe so, according to an es...  ...tly responsible for something else: the Amazonian clouds themselves. Clear-cut the land and yo...

(YouTube link) See how sweet fluffy clouds and cute little raindrops are really made! If thi...

(vimeo link) Every gag about clouds you can fit into a 45-second video is here in thi...

Redditor alison_bee photographed these bizarre...  ...Redditor alison_bee photographed these bizarre clouds over Birmingham, Alabama. I planned to go with th...

Esther Havens snapped this marvelous shot in Ethiopia. NASA says that it's a pileus iridescent cloud, which is "a group of water droplets that have a uniformly similar size and so together diffract different colors o...

(YouTube Link) The above video was recently s...  ...i Beach in southern Finland. It shows dark storm clouds gathering so quickly that people on the beach sta...

(YouTube Link) Stormchasers Chad Cowan and Jenna Blum found this beautiful tempest in July. Perhaps you heard about the giant hail stones it produced- one measuring 8" in diameter, and weighing almost two pounds! v...

Artist Ron English took skywriting to a whole...  ...es over Manhattan and let the words slowly become clouds . Lest you think Mr. English is one of those "arti...

Photo: Mark Gallagher Resembling something ou...  ...ependence Day, or the arrival of Cthulu, Mammatus Clouds are a meteorological phenomenon caused by sagging...  ...sed by sagging cellular accumulations produced in clouds of ice and water, and usually mean a fierce storm...