The United States is to resume nuclear weapons testing “immediately”, Donald Trump has announced, raising fears of renewed proliferation between the world’s two biggest stockpiles of atomic weaponry.

A subsurface atomic test near Yucca Flats, Nev., in March 1955. (U.S. Atomic Energy Commission via AP) In what would be a major shift in a decades-old American policy against global nuclear ...

A draft Pentagon report suggests that China has likely loaded more than 100 DF-31 nuclear missiles into silos near its border with Mongolia.  This development would mark a major step in Beijing’s ...

President Donald Trump ordered the Department of War to resume testing nuclear weapons “on an equal basis” with Russia and China on Thursday, a practice halted by the U.S. in 1992. The announcement ...

When it comes to nuclear weapons strategy, stability is the goal. But President Donald Trump’s back-to-back announcements about nuclear testing and nuclear submarines on Oct. 29 during his trip to ...

President Trump has directed the Pentagon to resume testing nuclear weapons for the first time since 1992. He made the announcement just before meeting with Chinese President Xi Jinping to discuss ...

In Japan and South Korea there is deepening concern over the reliability of long-time American security guarantees – whether the U.S. will come to their aid in the event of a war. This has been ...

President Trump explained the order by saying other, unnamed nations were testing their own nuclear weapons, even though no country has tested since 2017. By David E. Sanger and William J. Broad David ...

The United Nations rarely moves fast on disarmament. This year, though, it did something unusual. On November 6, the General Assembly’s First Committee, where states debate over questions of ...

Robert Peters is a Senior Research Fellow for Strategic Deterrence in Heritage’s Allison Center for National Security. The United States and South Korea face increasingly dangerous threats in China ...