Conflict over Greenland could destroy the transatlantic alliance, requiring a new European security treaty to replace it ...

Trump has threatened to attack a member state of NATO. Greenland is an autonomous territory of the Kingdom of Denmark.

Each European country will decide independently on whether to introduce military conscription, NATO's secretary-general has said, as the continent forges ahead with its rapid defense ramp up. NATO's ...

The North Atlantic Treaty Organization, the defense alliance of 32 countries, is on a spending spree, with plans to funnel billions into their militaries and security systems over the coming decade.