European officials were stunned that President Trump restated his desire for Greenland after a yearlong effort to dissuade him, according to diplomats and others.

In the early hours of September 10, Polish and NATO forces shot down several of the 19 Russian drones estimated to have crossed into Polish airspace—an unprecedented incursion that caused consternation and alarm throughout Europe. Russia denied ...

European NATO allies deploy troops to Greenland to support Denmark after tense U.S. talks fail to resolve Trump's push to acquire the island.