Ukraine's leader says partners sending ground troops would help "force Russia into peace," as America's European allies ponder Trump's next move.

Russia may be close to sharing advanced satellite technology with North Korea after the isolated nation supplied troops to help bolster Moscow’s war in Ukraine, United States Secretary of State Antony Blinken warned Monday.

The “pro-peace” president-elect is now threatening to destabilize the global order by using military force to expand America’s borders

Russia, with 5,580 warheads, and the United States, with 5,044, are by far the world's biggest nuclear powers, holding about 88% of the world's nuclear weapons, according to the Federation of ...

The tale of how and why Russia ceded its control over Alaska to the US 150 years ago is actually 2 tales and 2 intertwining histories.

The second Donald Trump administration assumes office at a moment of great peril for the United States, according to the Council on Foreign Relations’ (CFR) annual Preventive Priorities Survey. The

Russia will scrap a moratorium on the deployment of intermediate and shorter range nuclear-capable missiles because the United States has deployed such weapons in various regions around the world, Russian Foreign Minister Sergei Lavrov said on Sunday.

Winning the space race is far more important than remaining committed to any one contractor. U.S. decision makers should do what needs to be done without delay.

The White House seized a rare chance to undermine Russia and build up regional allies as it built a coalition to support the Ukrainians.

Hal Brands is a professor at the Johns Hopkins University School of Advanced International Studies, a senior fellow at the American Enterprise Institute and a columnist for Bloomberg Opinion. This essay is adapted from his new book, “The Eurasian Century: Hot Wars, Cold Wars, and the Making of the Modern World.”