Dmitri S. Peskov, a Kremlin spokesman, told Russian news agencies that recent drone and missile tests were not nuclear ...

Russia said it tested a nuclear-powered cruise missile and torpedo, two of its experimental weapons, in recent days.

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

China rejects Trump's claim to 60 Minutes about clandestine nuclear tests, as a senior official seeks to clarify the ...

Russia is testing nuclear weapons, and China is testing them too, you just don’t know about it,” Trump said in an interview that aired Sunday.

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

Touting new weapons tests, Moscow signals to Washington that it must contend with the Kremlin’s power and negotiate.

President Trump has ordered the military to “immediately” begin testing nuclear weapons for the first time in more than three ...

North Korea is one potential villain in a fictional movie about nuclear war on Netflix, Kathryn Bigelow’s “A House of ...

Russian MP warns US nuclear test plans could destabilize global security, violate CTBT obligations. Follow Newsweek's live ...