The cold air mass can be seen as white clouds in the upper left of this image acquired by NASA's Suomi NPP satellite on Oct. 4. This cold front has ... Breaking space news, the latest updates ...

Hurricane Rafael ended its run as a tropical cyclone yesterday (Oct. 18), when it merged with a cold front off the coast ... sister site to SPACE.com. Follow OurAmazingPlanet on Twitter @OAPlanet.