The United States is still assessing what exactly Russia will offer North Korea in exchange for its troops' involvement in ...

"If you fight in Afghanistan, that's not the same as fighting the Russians in Ukraine," Admiral Rob Bauer said on Sunday.

The following is a transcript of an interview with White House National Security Adviser Jake Sullivan on "Face the Nation ...

A U.S.-led statement approved by 10 of the 15 U.N. Security Council members condemned a recent North Korean intercontinental ballistic missile launch ...

The fall of the USSR and Cold War’s end reshaped U.S. and Russian nuclear strategies, reflected in the Strategic Arms ...

When he takes office in January, President-elect Donald Trump will inherit a raft of national security challenges, including ...

President-elect Trump is expected to deploy his trademark mix of belligerent threats and friendly relations with some of the world’s dictators as he seeks to break up the deepening ...

Russia's foreign ministry sees no grounds for talking about resuming dialogue on strategic stability and arms control with ...

But none of that has quite destroyed the world order. Trump will enjoy that privilege. He has already said he will cut a deal with Russia on Ukraine. The only way to do that is to stop assistance and ...

Some countries are modernizing and expanding their nuclear arsenals. Vladimir Putin has warned Russia may use nuclear arms if ...

South Korea's military says North Korea has fired multiple short-range ballistic missiles toward its eastern sea as the ...

Based on Donald Trump’s first term and his campaign statements, the United States will become less predictable, more chaotic, ...