Submarines aren't always visible and are hard to keep track of, so it's not always easy to keep track of each countries ...

Donald Trump has threatened to seize the Panama Canal, revived calls to buy Greenland and joked about annexing Canada -- ...

While Donald Trump may not be serious about taking Greenland and the Panama Canal, what do his threats tell us about the ...

US President-elect Donald Trump remains true to his style, continuing to stir up media and social networks with bold ...