Trump's comments last month sparked fears of a new nuclear arms race and concerns major powers would restart full testing.

Russia urged the United States on Friday to clarify what it called contradictory signals about a resumption of nuclear ...

Russian Foreign Minister Sergei Lavrov has stated that Moscow has not yet received any clarification since US President ...

Russian Foreign Minister Sergei Lavrov said on Saturday that work is under way on President Vladimir Putin's order to prepare ...

The comments follow Russian defense minister Andrey Belousov announcing that Moscow should “immediately” prepare for ...

Putin orders nuclear test preparations after Trump announces U.S. will resume testing. Russia vows proportionate response to ...

President Trump wants to restart domestic testing to keep up with adversaries like China and Russia, but nuclear experts ...

Vladimir Putin ordered plans to restart Russia’s nuclear tests after Donald Trump said last week that America would carry out ...

The Kremlin reiterated that President Vladimir Putin has not ordered any nuclear tests and that Russia remains committed to ...

Andrey Belousov, Russia's defense minister, made the announcement after President Donald Trump said the US would start ...

Russia on Sunday reaffirmed that President Vladimir Putin has not ordered any nuclear tests and that Moscow remains committed ...

Kremlin spokesman Dmitry Peskov said, however, if Washington indeed carries out nuclear weapons tests, “Russia will have to ...