Bulletin of the Atomic Scientists

Nuclear Notebook United States 2025

Video: How many nuclear weapons does the United States have in 2025?

By Erik English | Nuclear Risk

Can US courts save the Earth?

By Jessica McKenzie | Climate Change

A letter to the president: Revoking visas of international students makes America smaller, not stronger

By Misho Ceko | Opinion

When scientists and weather forecasters are targeted, everyone loses

By John Morales | Climate Change

scientist in lab coat in dark room

Make China great again? How Trump’s attacks on universities will backfire

By Andrew Dessler | Opinion

DOGE’s staff firing fiasco at the nuclear weapon agency means everything but efficiency

By Stephen Young | Nuclear Weapons

How climate change could disrupt the construction and operations of US nuclear submarines

By Allie Maloney | Nuclear Weapons

The real ‘Great Replacement’

By Dawn Stover | Disruptive Technologies

President Trump meets with President Duda of Poland

What Sweden, Finland, and Poland can teach the United States about confronting Russia’s nuclear threats

By Marlena Broeker | Nuclear Weapons

Dire wolf, or Colossal misrepresentation?

By Jessica McKenzie | Climate Change

What were Chinese soldiers doing in Ukraine?

By François Diaz-Maurin | Nuclear Weapons

oil painting of collapse of civilization

“Fragile, impermanent things”: Joseph Tainter on what makes civilizations fall

By Jessica McKenzie | Climate Change

A letter to the president: Revoking visas of international students makes America smaller, not stronger

By Misho Ceko | Opinion

When scientists and weather forecasters are targeted, everyone loses

By John Morales | Climate Change

Tracking Trump’s approach to existential threats

By Thomas Gaulkin | Interactive

Chinese nuclear weapons, 2025

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

Can US courts save the Earth?

By Jessica McKenzie | Climate Change

scientist in lab coat in dark room

Make China great again? How Trump’s attacks on universities will backfire

By Andrew Dessler | Opinion

A newspaper featuring the headline story on indirect negotiations between Iran and the United States in Muscat, Oman, is displayed at a newsstand in Tehran, Iran, on April 12. The front pages of major dailies in Tehran prominently featured headlines about the negotiations, highlighting the renewed diplomatic channel amid regional tensions and sanctions-related disputes. (Photo by Fatemeh Bahrami/Anadolu via Getty Images)

Behind the US-Iran talks: five points of convergence between Trump and Khamenei

By Seyed Hossein Mousavian | Nuclear Risk

DOGE’s staff firing fiasco at the nuclear weapon agency means everything but efficiency

By Stephen Young | Nuclear Weapons

How climate change could disrupt the construction and operations of US nuclear submarines

By Allie Maloney | Nuclear Weapons

The real ‘Great Replacement’

By Dawn Stover | Disruptive Technologies

An advertisement reads, “Go beyond the headlines. Subscribe to the Bulletin’s magazine.” Bulletin magazine issues on the Oppenheimer movie, climate change, surveillance, and artificial intelligence appear on either side of the text.

An advertisement reads, “Go beyond the headlines. Uncover solution-oriented, expert analysis of the most consequential threats humanity faces. Subscribe.” To the right of the text, a woman looks at a smartphone that is inundating her with concerning headlines such as “ Experts warn of nuclear disaster in Ukraine” and “Record-breaking wildfires reported, once again.”

Recent highlights

INTERVIEW: Staring into the DOGE abyss with WIRED’s Tim Marchman

By Thomas Gaulkin | Interviews

four people and a truck in the foreground, a thundercloud in the distance

Forecast for weaker weather service: Americans will die, businesses will lose billions

By Toby Ault, Daniele Visioni, Peter Hitchcock | Climate Change

For this French senator, Trump is a traitor—and Europe is now alone

By François Diaz-Maurin | Nuclear Risk

Sign that reads 404: Climate solutions not found

‘We’re losing our environmental history’: The future of government information under Trump

By Jessica McKenzie | Climate Change

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

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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

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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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