The secretary's warning came as Russia and China, two of nine nuclear-armed nations, are increasingly aligned with each other ...

Russia said on Tuesday it was expelling a British diplomat for spying - an accusation denied by London - in the latest blow ...

By making a public announcement of the new policy, the Biden team permitted Russia to blame the United States, its NATO ...

President Joe Biden's decision to loosen restrictions on the use of U.S.-supplied long-range missile systems could give ...

Russia’s use of a nuclear-capable ballistic missile marks a decisive, and potentially dangerous moment in Moscow’s conflict ...

Iran and Russia may well draw closer in the coming years, but greater cooperation is not guaranteed. For all it has going for ...

Sergei Shoigu, the secretary of Russia's powerful Security Council, told Afghanistan's Taliban leaders on Monday that Moscow ...

Russia's deputy foreign minister has said the country is considering deploying medium- and shorter-range missiles to Asia.

Within a decade, it is expected that China will have as many nuclear warheads deployed as the United States. Pentagon ...

A man is facing federal charges for allegedly trying to export aerospace gear from Oregon to Russia, the United States ...

Russia says the decision by the United States to allow their long-range missiles to be fired by Ukraine into Russian ...

A new warning urges defense companies to increase security and to be on the lookout for surveillance and signs of trespassing ...