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

Biden focused on strategic stability. His successor should embrace arms control

By Stephen J. Cimbala, Lawrence J. Korb | Nuclear Weapons
The United States Department of Commerce

Are new US export controls rules on chips and other critical tech good enough?

By Ian J. Stewart | Analysis
Cattle.

Preventing the next pandemic should start with protecting farm workers

By Amy K. Liebman, Claire Hutkins Seda | Biosecurity
SAN FRANCISCO, CALIFORNIA - OCTOBER 03: OpenAI Co-Founder & CEO Sam Altman speaks onstage during TechCrunch Disrupt San Francisco 2019 at Moscone Convention Center on October 03, 2019 in San Francisco, California. (Photo by Steve Jennings/Getty Images for TechCrunch)

Apathy and hyperbole cloud the real risks of AI bioweapons

By Filippa Lentzos, Jez Littlewood, Hailey Wingo, Alberto Muti | Biosecurity
map of the western united states and a solar farm

Permitting reform is back from the dead. Will lawmakers sacrifice America’s public lands to the fossil fuel industry?

By Dustin Mulvaney | Climate Change
pipelines and a map of the eastern half of the united states

What the Mountain Valley Pipeline debacle says about energy permitting reform and ‘just transitions’

By Jamie Shinn, Laura Kuhl | Climate Change

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
statue of Lenin being dismantled in Berlin, 1991

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

By John Keane | Special Topics

The United States Department of Commerce

Are new US export controls rules on chips and other critical tech good enough?

By Ian J. Stewart | Analysis

Cattle.

Preventing the next pandemic should start with protecting farm workers

By Amy K. Liebman, Claire Hutkins Seda | Biosecurity

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

Biden focused on strategic stability. His successor should embrace arms control

By Stephen J. Cimbala, Lawrence J. Korb | Nuclear Weapons

SAN FRANCISCO, CALIFORNIA - OCTOBER 03: OpenAI Co-Founder & CEO Sam Altman speaks onstage during TechCrunch Disrupt San Francisco 2019 at Moscone Convention Center on October 03, 2019 in San Francisco, California. (Photo by Steve Jennings/Getty Images for TechCrunch)

Apathy and hyperbole cloud the real risks of AI bioweapons

By Filippa Lentzos, Jez Littlewood, Hailey Wingo, Alberto Muti | Biosecurity

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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