Russia's fleet of supply vessels now makes up just shy of a fifth of global oil tankers operating across the world.

It was 2 a.m. in Turkey, and Jeff Flake had a promise to keep.

Either maintaining Russia’s military bases in Syria or finding an alternative outpost in the Mediterranean will prove ...

The NATO Parliamentary Assembly’s 70th anniversary marks a critical moment for transatlantic security and democracy, as the ...

The Army’s 5th Battalion, 7th Air Defense Artillery Regiment, the only U.S. Patriot missile battalion based in Europe, transferred its Patriot missile defense mission in Poland to German forces.

"We don't want to make [Russian President Vladimir] Putin any smarter than he already is," said NATO Secretary-General Mark ...

More than half the Arctic's coastline is Russian territory and in the last six years Moscow has built more than 475 military bases along its northern border.

The president is reluctant to send more aid to Ukraine, let alone U.S. troops; nor does he want Ukraine admitted to NATO. As ...