Satellite imagery picked up a strange ring of warm water identified in southern Lake Michigan on Thursday afternoon. The phenomenon attracted the attention of National Oceanic and Atmospheric ...

Why do the northern lights have different colors? The color of the aurora depends on which gas is being excited by the ...

No, the lake didn't suddenly shrink, nor did the city beyond the horizon teleport closer. The illusion is called a "superior mirage" — a phenomenon where shifting temperatures over the water bends ...