Bulletin of the Atomic Scientists

Nuclear expert Jon Wolfsthal on the costs of US nuclear weapons programs spiraling out of control

By François Diaz-Maurin | Nuclear Weapons

Illustration of a building with people in windows and outlined in rectangles.

Government officials are letting AI do their jobs. Badly

By Emily M. Bender, Alex Hanna | Artificial Intelligence

The NRC’s new Mission Impossible: Making Atoms Great Again

By Edwin S. Lyman | Nuclear Energy

The Silicon Valley Way: Move fast and break…aviation safety?

By David Woods, Mike Rayo, Shawn Pruchnicki | Disruptive Technologies

To win on nuclear energy, the United States should lose reprocessing

By Ross Matzkin-Bridger | Nuclear Energy

The WHO headquarters.

Young people will be key to preventing the next pandemic

By Kirsten Angeles, Jose Garza-Martinez, Yorgo El Moubayed, Shrestha Rath, Jon Arizti Sanz | Biosecurity

Experts and former colleagues share their appreciations of Dick Garwin, H-bomb designer and government advisor

By François Diaz-Maurin | Nuclear Weapons

China to build world’s largest hydroelectric project in Tibet, prompting fears of ‘water bombs’ and environmental destruction

By Fred Pearce | Climate Change

Illustration of eyes looking at persons who are under spotlights

Trump’s immigration crackdown is built on AI surveillance and disregard for due process

By Adrian Shahbaz | Disruptive Technologies

Decommissioned, retired, paused: The weather, climate, and Earth science data the government doesn’t want you to see

By Jessica McKenzie | Climate Change

Trump’s last minute gain-of-function policy could sow researcher confusion

By Matt Field | Biosecurity

E. coli bacteria

Sonia Shah on pandemics and pushback: Lessons from the COVID experience

By Dan Drollette Jr | Special Topics

Illustration of a building with people in windows and outlined in rectangles.

Government officials are letting AI do their jobs. Badly

By Emily M. Bender, Alex Hanna | Artificial Intelligence

The Silicon Valley Way: Move fast and break…aviation safety?

By David Woods, Mike Rayo, Shawn Pruchnicki | Disruptive Technologies

Nuclear expert Jon Wolfsthal on the costs of US nuclear weapons programs spiraling out of control

By François Diaz-Maurin | Nuclear Weapons

Russian nuclear weapons, 2025

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

The NRC’s new Mission Impossible: Making Atoms Great Again

By Edwin S. Lyman | Nuclear Energy

The WHO headquarters.

Young people will be key to preventing the next pandemic

By Kirsten Angeles, Jose Garza-Martinez, Yorgo El Moubayed, Shrestha Rath, Jon Arizti Sanz | Biosecurity

To win on nuclear energy, the United States should lose reprocessing

By Ross Matzkin-Bridger | Nuclear Energy

Experts and former colleagues share their appreciations of Dick Garwin, H-bomb designer and government advisor

By François Diaz-Maurin | Nuclear Weapons

China to build world’s largest hydroelectric project in Tibet, prompting fears of ‘water bombs’ and environmental destruction

By Fred Pearce | Climate Change

US President Donald Trump listens to US Secretary of Defense Pete Hegseth speak about the Golden Dome missile defense shield in the Oval Office on May 20. (Photo by JIM WATSON/AFP via Getty Images)

The 15-minute interview: Joe Cirincione on Golden Dome and the long-running US missile defense debacle

By John Mecklin | Nuclear Weapons

Join us for a virtual program on how we might stop the next pandemic. Save your seat.

Seven Covid-19 virus illustrations in a vertical arrangement. Virtual program. How we might stop (or start) the next pandemic. On June 6, join an expert-led conversation on the choices that could determine our fate. Save your seat.

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The impact of DOGE’s funding cuts on biomedical research, from the point of view of former NIH director Monica Bertagnolli

By Dan Drollette Jr | Special Topics

A Russian tourist stands in front of an anti-U.S. mural as she visits the former U.S. embassy in downtown Tehran, Iran, on April 12—the day of the Iran-U.S. nuclear discussions. (Photo by Morteza Nikoubazl/NurPhoto via Getty Images)

A new Iran nuclear deal—without sunset

By Robert J. Goldston | Nuclear Weapons

Trump wants denuclearization but pursues a ‘Golden Dome’ of missile defense. Here’s why he can’t have both

By Celia McDowall, Ankit Panda | Nuclear Weapons

Tracking Trump’s approach to existential threats

By Thomas Gaulkin | Interactive

The Bulletin interactive

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

Screenshot of Turn Back the Clock virtual exhibit entrance

Virtual Tour: Turn Back the Clock

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Doomsday Dashboard

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Nuclear Arsenals of the World

The Doomsday Clock timeline.

Doomsday Clock Timeline

What's new at the Bulletin

Alex Bell, President and CEO of the Bulletin of the Atomic Scientists.

Alexandra Bell to join  Bulletin as President & CEO

Video: A message from Rachel Bronson

Members of the Bulletin of the Atomic Scientists’ Science and Security Board and Juan Manuel Santos, chair of The Elders and former president of Colombia, announce the setting of the Doomsday Clock on January 28, 2025 at the United States Institute of Peace in Washington, D.C. It is now 89 seconds to midnight. Left to right: Daniel Holz, Herb Lin, Juan Manuel Santos, Robert Socolow, and Suzet McKinney. (Photo by Jamie Christiani/Bulletin of the Atomic Scientists)

PRESS RELEASE: Doomsday Clock set at 89 seconds to midnight, closest ever to human extinction

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May 2025 cover of the Bulletin of the Atomic Scientists, featuring an illustration of the Earth wearing a surgical mask above the headline 'How to Stop the Next Pandemic'.

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