The allegations were leveled by U.S. officials late last week. Arms control experts worry that norms against nuclear testing ...

Satellite imagery of secretive nuclear facilities reveals Beijing’s efforts to expand its arsenal, just as the last global ...

China is on course to have more than 1,000 nuclear warheads in the next few years, according to U.S. intelligence estimates.

For the first time since the end of the Cold War, European capitals are discussing how to develop their own deterrent.

Moscow reiterates willingness to adhere to expired nuclear weapons treaty, "as long as the United States does not exceed the ...

Berlin is considering developing its own atomic weapons to bolster Europe’s nuclear umbrella and the US’s own stockpile in ...

The United States on Friday accused China of carrying out a secret nuclear test in 2020 as the Trump administration calls for ...

Several nations boast nuclear arsenals, although nearly 90% of all nukes belong to a minority. Here's who holds the lion's ...

A top arms diplomat at the State Department recently laid out what might come next as Washington upends decades of federal policies on nuclear proliferation.

Iran is ready to consider compromises to reach a nuclear deal with the United States if Washington is willing to discuss lifting sanctions, Iran's Deputy Foreign Minister Majid Takht-Ravanchi told the ...

Secretary of State Rubio says Trump is open to meeting Iran’s leader but insists Tehran will never obtain nuclear weapons, as the US boosts forces and pursues a potential deal.

Ravanchi, Iran’s deputy foreign minister, told the BBC that Tehran is open to compromise if the United States demonstrates ...