Researchers identify a new mechanism that allows avalanches containing a mixture of rock and ice to travel very long distances.

The differences between the two regions were political, economic and cultural. They endure to this day. Western Virginians supported Abraham Lincoln, whose election spurred Virginia to secede ...

It's the thin coating of ice that can form on seemingly bare pavement when temperatures hover around freezing. Black ice is different from a white or gray layer of ice that can form when roadways have ...