As competition for resources in the Arctic Ocean intensifies ... the international rush to map out claims to the seabed into high gear. Last month, the United States planted its own figurative ...

Extreme cold could expose residents of several states to conditions like hypothermia and frostbite over the weekend.

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps ... like in the United States.