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Yes, the US has lost 6 nuclear weapons, here's what we know

The United States openly tracks thousands of nuclear warheads, yet a small number have slipped permanently out of reach. Yes, the US has lost 6 nuclear weapons, and each disappearance left a trail of ...
CNN

Good news: World records longest ever lull in nuclear tests. Bad news: It’s on shaky ground

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one. “As of today, the ...
Bulletin of the Atomic Scientists

How nuclear submarines could pave the way for nuclear weapons in South Korea

The mystique of nuclear-powered submarines has been captured by at least half a dozen popular Hollywood films. Some have centered on the drama of undersea warfare and the risk of global nuclear ...
CNN

Cornered and wounded, will Iran now go for a nuclear bomb?

When Iran’s covert nuclear program came to international attention over two decades ago, Tehran insisted that its intentions were peaceful and that it had no plans to develop weapons. The country’s ...
Foreign Affairs

The Strange Defeat of Nuclear Deterrence

In June 2025, Ukraine’s security services staged an audacious strike inside Russia. They infiltrated the country and hid short-range attack drones in cargo trucks near a slew of Russian air bases as ...
Bulletin of the Atomic Scientists

Catholic bishops remind political leaders that nuclear weapons are immoral

In August, a group of American Catholic Church leaders—including Cardinal Blase Cupich of Chicago, Cardinal Robert McElroy of Washington, DC, Archbishop Paul Etienne of Seattle, and me, the Archbishop ...
The New York Times

Nuclear Arms Control Era Comes to End Amid Global Rush for New Weapons

Beijing, Moscow and shaken American allies are seeking new warheads as President Trump ends more than a half century of nuclear arms control with Russia. Beijing, Moscow and shaken American allies are ...
The Conversation

The Iran war has lessons to teach us about nuclear weapons – but we risk learning the wrong ones

Nuclear “non-proliferation” – preventing the spread of nuclear weapons beyond states that already have them – has been held up as the rationale for the US-Israeli war on Iran. In his statement ...
The New York Times

What a Speech Reveals About Trump’s Plans for Nuclear Weapons

Within hours of the expiration last week of the final arms control treaty between Moscow and Washington, the State Department sent its top arms diplomat, Thomas G. DiNanno, to Geneva to lay out ...