President-elect Donald Trump has tossed expansionist rhetoric at US allies and potential adversaries with arguments that the ...

Several officials in Europe emphasized their belief that Trump has no intention of marching troops into Greenland.

Trump's suggestions that international borders can be redrawn — by force if necessary — are particularly inflammatory in Europe ... seized the strategic Black Sea peninsula from Ukraine ...

This page is updated with the latest maps and charts showing military and ... are estimated to have sunk one-fifth of Russia’s Black Sea fleet. Russian minefields and fortifications coupled ...

The mission, dubbed Baltic Sentry, follows worry over increased Russian military activity near key undersea communication ...

"Initially, according to the calculations of scientists and specialists, the main mass of fuel oil should have remained at the bottom of the Black Sea, which would have allowed it to be collected ...

A Russian spy ship seen in U.K. waters points to continuing worries over the safety of undersea cables that link the global economy.

NATO has deployed a flotilla off the coast of Estonia to guard critical undersea communication cables amid fears of potential sabotage by foreign actors, a Baltic Sea map shows. The mission ...

MOSCOW, Jan 2 (Reuters) - Russian investigators have determined that an oil spill from two tankers in the Black Sea last month was smaller than initially thought, the Transport Ministry said on ...