Deterrence appears to depend on rational actors who desire survival above all else. But it's revenge, not rationality, that often drives decisions.

Letting the arms embargo expire would have little practical effect on Iran’s arms transfers. Extending it could have disastrous consequences for the 2015 nuclear deal.

Kim Jong Un’s former top negotiator has promised the United States a “Christmas gift.” But the surprises might continue all the way to the 2020 presidential election.

A withdrawal would continue the process of undermining the arms control regime between the United States and Russia that has been built up over decades.

The formal state of war that’s held on the Korean Peninsula since 1953 is not just a technicality; history shows there is no more dangerous and volatile confrontation in the world than the one pitting the United States against North Korea.

The United States may have pulled out of the nuclear deal, but US leaders can still help ensure that Iran doesn’t restart building nuclear weapons.

Former Secretary of Defense William J. Perry to chair the Bulletin's Board of Sponsors.

Former Los Alamos director Siegfried Hecker weighs in on Pyongyang’s latest missile test, its motivations for building a nuclear weapon, and how to rein it in.

Canadian scientists who resisted the Harper administration’s attacks on federally funded projects have some advice for their counterparts in the United States.

A 21st century disarmament movement will be--and should be--distinct from the nuclear freeze effort in three main ways. It will be intersectional, it will be digital, and it will be confrontational.

Control of nuclear weapons requires an even temperament. But when the president gets just four minutes to decide on launching a massive nuclear strike, does temperament make much difference?

Although it was an eleventh-hour decision, the Seventh Biological and Toxin Weapons Convention (BWC) Review Conference in Geneva did manage to produce a consensus final document this past December. As the saying goes, "a win is a win," and in the end the final document -- adopted with less than an hour to go in the three-week meeting -- would not have derived any more force if adopted earlier.

The publication of the Nicholas Wade article of May 2021 was consistent with the Bulletin’s philosophy and mission. But the article was not released in a political vacuum. Understanding its political impact requires a brief recounting of the turmoil of 2020, which included a new, lethal, and poorly understood disease and a hotly contested presidential election.

Several steps will be necessary to combat COVID-19 misinformation and disinformation campaigns. Private sector specialists in risk communications, advertising, linguistics, and social cognition could collaborate in devising accurate public health information crafted to overcome psychological resistance. Governments could enact regulations that discourage microtargeting of social media advertisements. Government agencies that regulate medical advertising also might expand their oversight to COVID-19 medical claims. Perhaps most important, government leaders must respect factual information.

The coming battle at the United Nations over the Iran nuclear agreement has implications that go far beyond the Iran case.

We are all on the atomic Titanic, and the ship is headed for a hidden iceberg. To steer away from disaster, the United States must make major changes to its nuclear policies. Here are the authors' top ten recommendations for a safer world.

If there were any tactical gains for the United States in killing Soleimani, they now pale in comparison with the tactical gains—and even potential strategic benefits—that will accrue to the regime in Tehran.

Despite decades of warnings from climate scientists, the elder generations squandered the opportunity for a relatively easy transition from fossil fuels toward a stable climate future. Here’s a little list of those missed opportunities.