But as otherworldly as they sometimes look, snow rollers are simply a natural phenomenon that can occur in snowy and windy conditions — or rather, very specific snowy or windy conditions.

A photo (above) of snow rollers, taken in Paw Paw, Michigan, has sparked interest in the rare phenomenon in recent weeks. (Courtesy Janice Pantelleria) The peculiar formations inspired nicknames ...

2 Navy pilots shot down over Red Sea in apparent ‘friendly fire’ incident: US military A photo (above) of snow rollers, taken in Paw Paw, Michigan, has sparked interest in the rare phenomenon ...