MILAN - Several European leaders have cautioned Donald Trump against violating the sovereignty of other NATO allies across ...

Fox News national security correspondent Jennifer Griffin reports on Donald Trump Jr.'s trip to Greenland and what acquiring the mineral-rich country would mean for U.S. defenses.

German Chancellor Olaf Sholz issued a warning to Donald Trump on Wednesday, responding to Trump's inability to rule out the ...

President-elect Donald Trump told residents of Greenland that "we're going to treat you well" as his oldest son visited the ...