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A Russian cruise missile whose secret development led President Trump to abandon a nuclear arms control pact with Moscow in ...

Trump's Ukraine policy shifts from strong support to softer stance in recent weeks, reversing tough UN summit rhetoric as ...

Trump warns Putin that U.S. nuclear submarine is stationed right off Russian shores in response to Moscow's new 8,000-mile ...

The announcement via social media post came after Russia recently said it conducted multiple nuclear weapons tests.

Experts say there are roughly 12,241 nuclear weapons across the world, with just over 9,600 thought to be operational.

The main reason that no one else has tried to build something like this is that it doesn’t really have any use," one expert ...

President Trump’s nominee for a top post at the U.S. Export-Import (EXIM) Bank withdrew his nomination this week amid ...

The Kremlin on Monday said that Russia would be guided by its own national interests after U.S. President Donald Trump said ...

President Donald Trump on Monday took aim at Russia’s announcement that it has tested a nuclear-powered missile that can go ...

Kremlin denies Russia's tests of the Burevestnik missile at a nuclear facility contravened nuclear weapons testing rules.

Russia has joined the United States in publicly backing away from the idea of face-to-face talks between Donald Trump and ...