Bulletin of the Atomic Scientists, December 22nd 2025

Posted: 22nd December 2025

Bulletin of the Atomic ScientistsIt is 89 seconds to midnight

December 22, 2025

North Korean Leader Kim Jong-un stretches out his hand to shake US President Donald Trumps

US President Donald Trump meets Kim Jong-un at the Korean Demilitarized Zone on June 30, 2019.

Four US presidents failed to stop North Korea’s nuclear buildup. Trump still has a shot

The only policy that has ever worked to restrain and reverse North Korea’s nuclear program has been engagement and diplomacy, not pressure and threats, writes nuclear policy analyst Joe Cirincione. “But Democrats and Republicans alike have long ignored this lesson.” Read more.

Lessons from the UN’s first resolution on AI in nuclear command and control

In November, the General Assembly’s First Committee adopted a resolution that looks at the risks of integrating AI into nuclear weapons systems, reports Alice Saltini. The resolution vote, which may be best read as an initial test case was an early attempt to translate a fast-moving technical debate into diplomatic language. Read more.

China’s strategic missile defense exacerbates arms race instability

China’s first publicly acknowledged missile defense system, designed to defeat long-range ballistic missiles, is raising questions about Chinese intentions and threatening to intensify the US-China arms race, writes Alex RichterRead more.

Threatening NCAR, Trump administration seeks to extinguish a beacon of climate science

On Tuesday, the Trump administration announced plans to dismantle the National Center for Atmospheric Research, or NCAR, writes Benjamin Santer. “Even if you’re not a scientist, this should be on your radar. You need to understand what it means.” Read more.

All donations to the Bulletin will be doubled until Jan 31 Until Jan 31 every gift up to 80000 will be matched by an anonymous donor In an era of uncertainty your support is more crucialand more impactfulthan ever Support science journalism

Thanksgiving advice: How to deal with climate change-denying Uncle Pete

We’ve all got that unpleasant relative—call him Uncle Pete—who spoils the family dinner by repeating false claims he found on the internet or heard on talk radio. Here’s some sage advice on how to respond, from an actual climate scientist, Richard Somerville—who won an award for climate communication. This archival magazine article is available to all readers for a limited time.

The recent past and foreseeable future of the Bulletin of the Atomic Scientists: a conversation

To introduce the Bulletin’s 80th anniversary magazine issue, Editor-in-Chief John Mecklin interviews former Executive Director Kennette BenedictThis archival magazine article is available to all readers for a limited time.

BULLETIN VIDEO

Watch now: The Bulletin’s 2025 annual event, Conversations Before Midnight

On November 12, 2025, the Bulletin held its annual event, Conversations Before Midnight, an evening focused on the most urgent issues shaping our shared future. You can listen to AI experts Blaise Agüera y Arcas and Jaan Tallinn in conversations with Bulletin leaders Alexandra Bell and John Mecklin. And remarks from Rieser Award winner Collin Van Son, on our YouTube channel. Watch here.

IN THE NEWS

Who sets the Doomsday Clock?

This Popular Mechanics feature article by Emily Strasser explores the increasingly urgent debate about humanity’s capacity to end itself by talking to various members of the Bulletin’s Science and Security Board which sets the Doomsday Clock. Read more.

IN THE NEWS

Bulletin articles make The IP List 2025

The IP List 2025 is a non-profit initiative that surfaces journalistic intellectual property for optioning and adaptation in the film and television industry. Two Bulletin articles—one about the American survivors of the Trinity Test and another about The Nuclear Emergency Support Team—made the list this year. Read more.

BULLETIN EVENT

Art + Science: Harnessing the Power of Art and Storytelling

How do we harness the power of art in drawing attention to the most pressing global threats? How do we support artists in the most trying of times to tell the stories that bring us all together?


To explore these questions, join us for a virtual event featuring David Harrington, founder of the Kronos Quartet, whose music has long confronted the urgencies of social change; science fiction author Kim Stanley Robinson, whose work imagines social transformation through engaging, creative prose; Lovely Umayam, a nuclear policy expert rooted in activism and art; and Alexandra Bell, who is bringing the Bulletin’s long-standing devotion of arts-driven global engagement into a new era. Register.


Art has been a part of the Bulletin for decades. In the lead up to the event we’ll be sharing some of our favorite Bulletin cartoons and drawings from years past.

Two men stand on top of an Earth with a clock face on it One man says They pushed the atomic clock back to 17 minutes to midnight The other says I must be running a little fast

A cartoon from a May 1992 Bulletin magazine issue.

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