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

Hibakusha group receives Nobel Peace Prize for “demonstrating through witness testimony that nuclear weapons must never be used again”

By François Diaz-Maurin, Thomas Gaulkin | Analysis, Nuclear Risk, Nuclear Weapons

The Energy Department just made one plutonium pit. Making more is uncertain

By Dylan Spaulding | Nuclear Weapons
Fully-loaded container ships berth at a dock at the Port of Qingdao in Qingdao city, east Chinas Shandong province. DepositPhotos.com.

How modern slavery—in China and elsewhere—undermines the fight against existential threats

By Erik English | Biosecurity, Climate Change
Credit: Nogas1974 CC BY-SA 4.0

CRISPR therapies can treat disease but cost millions. An equity-based approach could bring them to more people 

By Kunal C. Potnis, George Goshua | Biosecurity
Top infectious disease expert Anthony Fauci responds to accusations by Sen. Rand Paul, R-Ky., as he testifies before the Senate Health, Education, Labor, and Pensions Committee, on July 20, 2021. (Photo by J. Scott Applewhite-Pool/Getty Images)

Why science needs marketing

By Melissa Harris | Biosecurity, Climate Change, Opinion, Science Denial

A new military-industrial complex: How tech bros are hyping AI’s role in war

By Paul Lushenko, Keith Carter | Analysis, Artificial Intelligence, Disruptive Technologies

A wargame suggests how a war between Israel and Iran might go nuclear

By Henry Sokolski | Nuclear Weapons

Why Russia is more likely to go nuclear in Ukraine if it’s winning

By Mariana Budjeryn | Nuclear Weapons, Opinion
Hand of robot repairing a bridge

Don’t panic: AI can strengthen democracy too

By Abi Olvera | Artificial Intelligence, Disruptive Technologies

E-fuels are better for the climate than fossil fuels, so why haven’t they taken off yet?

By Chad Small | Climate Change

Question for the candidates: How will you reassure allies worried about the credibility of the US security guarantees?

By Sara Bjerg Moller | Nuclear Weapons

RFK Jr.’s presidential ambitions may have fallen short, but his anti-vax beliefs are winning in many statehouses

By Matt Field | Special Topics

The Energy Department just made one plutonium pit. Making more is uncertain

By Dylan Spaulding | Nuclear Weapons

Credit: Nogas1974 CC BY-SA 4.0

CRISPR therapies can treat disease but cost millions. An equity-based approach could bring them to more people 

By Kunal C. Potnis, George Goshua | Biosecurity

Hibakusha group receives Nobel Peace Prize for “demonstrating through witness testimony that nuclear weapons must never be used again”

By François Diaz-Maurin, Thomas Gaulkin | Analysis, Nuclear Risk, Nuclear Weapons

Indian nuclear weapons, 2024

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

Fully-loaded container ships berth at a dock at the Port of Qingdao in Qingdao city, east Chinas Shandong province. DepositPhotos.com.

How modern slavery—in China and elsewhere—undermines the fight against existential threats

By Erik English | Biosecurity, Climate Change

A wargame suggests how a war between Israel and Iran might go nuclear

By Henry Sokolski | Nuclear Weapons

A painted Doomsday Clock surrounded by text snippets and illustrations from the Bulletin’s magazine archives appears beside text that reads, “Discuss the US elections, geopolitics, space, and more at the Bulletin’s annual gathering.” beside a button that reads, “Get my ticket.”

A painted Doomsday Clock surrounded by text snippets and illustrations from the Bulletin’s magazine archives appears beside text that reads, “Discuss the US elections, geopolitics, space, and more at the Bulletin’s annual gathering.” Beside it, a button that reads: “Get my ticket.”

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

Artwork created by Lovely Umayam weaves together art and snippets of writing from the Bulletin’s archives to form a landscape mosaic that evokes the interweaving of art, words, and ideas.

Discuss the US elections, geopolitics, space, and more at Conversations Before Midnight

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

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