Trump's Greenland focus highlights urgent Arctic security needs as Sen. Sullivan reveals new U.S. defenses against ...

The Polar Vortex is expected to be impacted by a Sudden Stratosphere Warming, bringing cold air to the eastern US.

As Trump questions the loyalty of a NATO ally, CBS News joins one of its warships taking part in a drill far from home, aimed ...

History tends to cluster its explorers in the same few centuries, often skipping earlier figures whose journeys left fewer traces behind. Long before .

What will become of warming oceans that transform the Arctic as a fringe of the map into an operating field and yet the United States has not the ships, ports, cold depths to stay there. A grim ...