President Donald Trump said his administration will take action on Greenland "whether they like it or not." President Donald Trump said Friday his administration will take action on Greenland "whether they like it or not," further escalating his rhetoric as he pushes to acquire the Danish territory for the U.S.

In addition to political resistance, Greenland’s mineral riches and strategic position would come at a steep cost for the U.S.

Trump’s threat to annex an autonomous part of Denmark has plunged NATO into an unprecedented situation: An alliance based on collective defense now faces the prospect that one member might attack another.

Veteran diplomat tells CBS News Denmark "ready to cooperate" on Greenland, and he expects U.S. to abandon "anachronistic approach of colonialism" post-Trump.

The ice-covered island may be strategically important, but it's unclear that it could be a commercially viable source of minerals and oil in the near future

Canada-based Amaroq's stock on the TSX Venture Exchange closed 19.2% higher on Thursday.

Greenland is 836,000 square miles of largely frozen ground northeast of Canada. So why does the White House say it "should be part of the United States"?

U.S. President Donald Trump has ramped up talk about bringing Greenland, a Danish territory, under Washington's control. Both Denmark and the U.S. are members of the NATO military alliance. Experts told CNBC that a U.