(Refiles to change transliteration of foreign minister's surname to Araqchi from Araghchi in paragraph 2) By Parisa Hafezi ...

A nuclear treaty first signed in 2010 is expiring this week. If it's not replaced, experts say a global arms race could be in ...

Since the collapse of the old Soviet Union, Russia has cut a substantially diminished figure on the international stage.

Trump said that if Iran does not make a deal regarding its nuclear program, "we'll find out” whether Iran’s supreme leader ...

As the last major nuclear arms treaty between the United States and Russia expires this week, we speak with arms control expert Dr. Ira Helfand, a steering committee member of Back from the Brink, a ...

The last remaining nuclear treaty between the U.S. and Russia is set to expire Thursday, ending decades of arms control between the two countries with the largest nuclear arsenals.

UN Secretary-General António Guterres has warned that the expiration of the New START treaty represents a “grave moment” for ...

The end of New Start will leave the strategic environment more uncertain and thus more dangerous for everyone. It would not ...

R OBERT OPPENHEIMER, the father of America’s nuclear bomb, described his country’s atomic rivalry with the Soviet Union as ...

The U. S. and Russia are barreling toward what could become the first unrestricted nuclear arms race since the Cold War, as ...

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

The Trump administration confirmed the U.S. will take part in high-level talks with Iran in Oman instead of Turkey as ...