A Russian official said Moscow is ready to respond with military measures if the United States deploys its missile defense program to Greenland.

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Russia could face significant losses in Venezuela after a US operation disrupted years of strategic ties with Caracas.

China rejected calls to enter talks on a new nuclear treaty after a US-Russian agreement expired on Thursday, ending decades of restrictions on how many warheads the two powers can deploy.Campaigners have warned that the expiry of the New START treaty could trigger a global arms race,

Trump's Greenland focus highlights urgent Arctic security needs as Sen. Sullivan reveals new U.S. defenses against Sino-Russian threats in Alaska.

Russia has violated a request made personally by US President Donald Trump and launched a massive strike on Ukraine at the height of winter cold. Kyiv is now expecting a response from Washington to this crime,