Congress is preparing a final round of sanctions to thwart Russia's efforts to build an undersea gas pipeline to Europe.
A Navy destroyer took on Russian forces on Tuesday in a direct challenge to Moscow's territorial claims in the Pacific. 
Washington on Sunday officially withdrew from the Open Skies Treaty, an international agreement setting rules for aerial surveillance that the United States has accused Russia of violating.
Russian and Iranian officials, along with Chinese media, continue to mock the uncertainty of the American presidential election. 
Russia and China work to undermine United Nations investigations of North Korea's sanctions dodging, a new think tank report finds. 
National security adviser Robert O’Brien announced on Thursday a burgeoning strategic partnership with Greenland and Denmark, representing progress in the U.S. effort to gain a foothold in the increasingly contested Arctic region.
Democratic presidential candidate Joe Biden called Russia the greatest threat to the United States in his 60 Minutes interview this week, eight years after mocking Republican Mitt Romney's "Cold War mindset" for the same opinion. 
The Trump administration is upending decades of American retreat in the final frontier to pull ahead of Russia and China in a 21st-century space race, according to a top Trump administration official. 
Countries that routinely abuse human rights and attack American interests won seats on the United Nations Human Rights Council Tuesday. 
China and Russia—which both benefit from North Korea's international sanctions violations—rejected the findings of a United Nations report on Pyongyang's breach of sanctions, the Times of Israel reported Tuesday. 