Colorful smoke from Portland’s ecomaine waste facility has appeared above Portland two days in a row. The Maine nonprofit says it’s iodine. Jim Doucette Screengrab from WGME's Facebook post It’s not ...

Massive clouds of non-toxic smoke erupted over Golden Gate Park's Music Concourse Saturday evening, sending plumes of color high into the sky that wafted as far as the Ferris wheel. The huge ...