"Rhetoric sometimes turns into action in unpredictable ways," a former senior U.S. arms control official told Newsweek.

COMMENT: Steve Witkoff - the president’s international diplomatic Mr Fixit - has failed to bring peace to the Middle East or ...

Russia has declared that it no longer considers itself bound by a self-imposed moratorium on the deployment of nuclear-capable intermediate range missiles, a warning that potentially sets the stage ...

The Russian and Chinese militaries practiced destroying an "enemy" submarine during joint naval drills Wednesday, just days after President Donald Trump moved a pair of nuclear submarines toward ...

But beginning in the 1970s, American and Soviet leaders started taking steps toward de-escalation, leading to a handful of ...