Russia launched two ballistic missiles from nuclear-powered submarines in the Arctic Ocean and the Barents Sea on Saturday, according to a tweet from the Russian Ministry of Defense.
A federal judge in Alaska has ruled an executive order by President Donald Trump allowing offshore oil drilling of tens of millions of acres in the Arctic Ocean is "unlawful and invalid."
The sea ice off the coast of northern Greenland is normally some of the thickest in the entire Arctic, with ridges of ice piled as high as 70 feet in some places.