Nuclear nonproliferation treaty

Henry Sokolski lays out recommendations on how to deter Iran, and other nations, from withdrawing from the Nuclear Nonproliferation Treaty.

Expected talks between Iran and the United States would be a late, and perhaps last, opportunity to control Tehran’s nuclear ambitions and avoid war.

As President Trump casts doubt on U.S. alliances, Poland needs to double its military manpower and consider more destructive weapons, Prime Minister Donald Tusk said.

The action could lead to sanctions against Tehran, which has barred international monitoring of its accelerated uranium enrichment efforts.

Before Donald J. Trump takes office, the West wants to call out Iran for failing to adhere to treaty obligations to be transparent about its nuclear past and present.

Washington says it would defend the South against North Korea with nuclear arms, if need be. But more and more people in the South think it should rely on itself.

A New York Times analysis shows security upgrades unique to Russian nuclear storage facilities at a Cold War-era munitions depot.