Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

Great power competition gives the United States all the more reason to invest in international cooperative frameworks for ...

The death of the last treaty between Russia and the U.S. that limited the size of nuclear arsenals may spark a new arms race, ...

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the ...

After the New START treaty expires in February, there will be no cap on the number of US and Russian nuclear weapons - but ...

On February 5, a treaty capping the numbers of deployed Russian and US nuclear warheads will expire, marking the first time ...

Developing nuclear fusion and modernizing the US nuclear arsenal will require substantial collaboration with the private ...

President Donald Trump is off on another ill-informed ranting spree, this time claiming that he has ordered the military to resume nuclear testing. In his interview with 60 Minutes last week, he ...

Editor’s note: This article belongs to a two-part series about addressing the nuclear arms control trilemma. Read the second article in the series. The extended New START arms control agreement ...

GYEONGJU, South Korea - President Donald Trump on Thursday morning said he directed the Pentagon to begin testing nuclear weapons “on an equal basis” with Russia and China, an apparent attempt to flex ...

In the face of such facts, Trump changed his story. He said that Russia and China are conducting secret nuclear tests and ...

And, well, they were slow and easily shot down, by air or by ground forces.