With or without Iran, the number of nuclear states could double, raising the risk of catastrophe. June 25, 2025 at 7:45 a.m. EDTJust now For 80 years, the United States has invested enormous effort in ...

A recent article in the establishment security journal Foreign Affairs makes the case for nuclear proliferation among America’s allies. Not only are its arguments unsound, but they also understate the ...

On May 10, Oklo Inc., a nuclear energy startup, began trading on the New York Stock Exchange. The chairman of the company is none other than Sam Altman, the CEO of the artificial intelligence leader, ...

News media in the United States rarely report on nuclear proliferation until it reaches the crisis stage—as in North Korea and Iran. By then, however, it is typically too late to stop the spread of ...

It is no coincidence that Prime Minister Donald Tusk of Poland openly raised the possibility that his country may need to arm itself with nuclear weapons. Both major parties in South Korea are doing ...

In 1964, China detonated a 22-kiloton nuclear device at a test site in the arid northwestern Xinjiang region—and the political fallout reached Washington. Worried about the prospect that many ...

Few scenarios scare pundits and policymakers as much as the prospect of nuclear proliferation. Russia’s willingness to dangle the threat of deploying tactical nuclear weapons in its war against ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Your adversaries and closest allies might not need nuclear weapons to achieve deterrence — they just need you to believe they could build them at any moment. This strategy, which I detailed in a new ...

Ian Langford is affiliated with the University of New South Wales. For the past 75 years, America’s nuclear umbrella has been the keystone that has kept East Asia’s great‑power rivalries from turning ...