Sleet and freezing rain may seem similar at first glance, but they are definitely different when it comes to impacts.

It's common to see flat pans of ice floating on Michigan's Great Lakes or other water bodies every winter like lily pads, but ...

When you step onto an icy sidewalk or push off on skis, the surface can seem to vanish beneath you. For more than a century, scientists have debated why ice stays slippery, even well below freezing.