The authoritative guide to ensuring science and technology make life on Earth better, not worse.

No cats or dogs were killed during the completion of this debate scorecard

By John Mecklin, Thomas Gaulkin | Special Topics

More tornadoes are hitting the Northeast. The changing climate may be to blame

By Kiley Bense | Climate Change

US states aren’t even close to taking full advantage of IRA tax credits for climate action

By Syris Valentine | Climate Change

AI and the A-bomb: What the analogy captures and misses

By Kevin Klyman, Raphael Piliero | Artificial Intelligence, Disruptive Technologies
atomic bomb test in Marshall Islands

Project 2025’s stance on nuclear testing: A dangerous step back

By Tom Armbruster | Nuclear Weapons, Opinion
The N.S. Savannah was the world's first nuclear powered merchant ship. It launched in 1959 as part of the Atoms for Peace program. Photo: Department of Transportation Maritime Administration

Why nuclear-powered commercial ships are a bad idea

By George M. Moore | Analysis, Nuclear Energy, Nuclear Risk
A damaged statue of the founder of the Soviet Union, Vladimir Lenin, in the Ukrainian-controlled Russian town of Sudzha, Kursk region, on August 16. (Photo by Yan DOBRONOSOV/AFP via Getty Images)

The Battle of Kursk probably won’t result in nuclear weapons use against Ukraine. But Russian escalation vis-à-vis NATO can’t be ruled out.

By Nikolai N. Sokov | Nuclear Risk, Nuclear Weapons

New Mexico utility wants to invest in green hydrogen, but locals aren’t sold—yet

By Mary Catherine O’Connor | Climate Change
Mpox virus illustration.

A new mpox variant is taking off in Africa. The WHO plan for stopping it isn’t realistic.

By Georgios Pappas | Biosecurity
illustration of hands playing What-A-Mole with global threats.

Global threats don’t happen in silos. They shouldn’t be managed separately, either.

By Rumtin Sepasspour, Courtney Tee | Disruptive Technologies

Is America buying nuclear weapons to win a war or to prevent one?

By Jack O’Doherty | Nuclear Weapons, Opinion, Voices of Tomorrow
Parthenon undergoing renovations

Introduction: Securing elections, democracy, and the information ecosystem in a critical political year

By John Mecklin, Dan Drollette Jr | Special Topics

AI and the A-bomb: What the analogy captures and misses

By Kevin Klyman, Raphael Piliero | Artificial Intelligence, Disruptive Technologies

How demagogues destroy democracy: a step-by-step global guide

By John Keane | Special Topics

No cats or dogs were killed during the completion of this debate scorecard

By John Mecklin, Thomas Gaulkin | Special Topics

Indian nuclear weapons, 2024

By Hans M. Kristensen, Matt Korda, Eliana Johns, Mackenzie Knight | Nuclear Notebook, Nuclear Weapons

More tornadoes are hitting the Northeast. The changing climate may be to blame

By Kiley Bense | Climate Change

US states aren’t even close to taking full advantage of IRA tax credits for climate action

By Syris Valentine | Climate Change

An image shows the Statue of Liberty beside text that reads, "September Issue. How to protect elections and democracy in a critical political year." A red button beside the text reads, "Subscribe to start reading."

The Bulletin interactive

See all of the world's BSL-4 laboratories—and more

Virtual Tour: Turn Back the Clock

Doomsday Dashboard

Nuclear Arsenals of the World

Doomsday Clock Timeline

What's new at the Bulletin

Rose Gottemoeller, the former Deputy Secretary General of NATO, and Manpreet Sethi, a distinguished fellow at the Centre for Air Power Studies, join Bulletin leadership.

The Bulletin welcomes top nuclear security experts to its leadership

Bulletin editor-in-chief John Mecklin (left), Bulletin President and CEO Rachel Bronson (center), and CEO of Lightbridge Corporation Seth Grae (right) converse during the 2023 Doomsday Clock Leadership Luncheon. Photo by Jamie Christiani.

Bronson to step down as Bulletin president & CEO

The Bulletin releases 2023 Annual Report

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