Visitors hoping to take in the spectacular sights of the Grand Canyon on Thursday, December 11, were treated to a rare spectacle as a sea of fog filled the vast canyon. The phenomenon ...

Caspar David Friedrich, “Wanderer above the Sea of Fog” (c. 1817) (photo by Elke Walford, courtesy the Metropolitan Museum of Art) Are we having a Romantic moment? As reactionary winds lash ...

Source: National Geographic If it's polluted, fog will condense around that, too. Source: National Geographic Sea fog condenses around the salt in the air from the ocean. The warm coastal air ...