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

The event comes only days after the first long-range test of a Poseidon “doomsday torpedo,” which the submarine was designed to carry.

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

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 ...

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

Energy Secretary Chris Wright says that new tests of the U.S. nuclear weapons system ordered up by President Trump will not ...