Trump said the U.S. will test nuclear weapons “on an equal basis” with Russia and China. None of the three countries has ...

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

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

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

President Donald Trump on Thursday threatened to begin testing US nuclear weapons in response to actions by rival countries, ...

"His use of the phrase ‘nuclear tests’ suggests actual nuclear detonations, whereas the call for tests ‘on an equal basis’ to ...

President Donald Trump's call for the U.S. to resume nuclear testing after a more than 30-year pause has caught Russia's ...

President Donald Trump said the US would match its rivals in testing nuclear weapons after Russia in recent days announced ...

The test came as the U.S. prepared sanctions on Russia’s oil and gas sectors and European allies pledged more military aid to ...

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

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