Bulletin of the Atomic Scientists
@thebulletin.org
The best thinking on existential threats since 1945. Nuclear risk, climate change, and disruptive technologies. We set the #DoomsdayClock. thebulletin.org
Climate editor Jessica McKenzie rounds up the best of climate change coverage for the year. One of the defining themes was “attacks on science and expertise,” which seems likely to continue into 2026.
Read more: buff.ly/jsNqQRO
Read more: buff.ly/jsNqQRO
December 26, 2025 at 2:30 PM
Climate editor Jessica McKenzie rounds up the best of climate change coverage for the year. One of the defining themes was “attacks on science and expertise,” which seems likely to continue into 2026.
Read more: buff.ly/jsNqQRO
Read more: buff.ly/jsNqQRO
In many ways, 2025 resembled Back to the Future, and not only because Donald Trump returned to the White House in January, writes François Diaz-Maurin.
"Less than one year into his second term, President Trump has exhibited Cold War-era thinking several times already."
Read more: buff.ly/6zsd7Ko
"Less than one year into his second term, President Trump has exhibited Cold War-era thinking several times already."
Read more: buff.ly/6zsd7Ko
December 25, 2025 at 11:00 PM
In many ways, 2025 resembled Back to the Future, and not only because Donald Trump returned to the White House in January, writes François Diaz-Maurin.
"Less than one year into his second term, President Trump has exhibited Cold War-era thinking several times already."
Read more: buff.ly/6zsd7Ko
"Less than one year into his second term, President Trump has exhibited Cold War-era thinking several times already."
Read more: buff.ly/6zsd7Ko
Can you guess which Christmas carol has a hidden nuclear reference?
This 2022 Bulletin article by Reba A. Wissner explores the hidden meaning of a holiday favorite: buff.ly/7TgAp2J
This 2022 Bulletin article by Reba A. Wissner explores the hidden meaning of a holiday favorite: buff.ly/7TgAp2J
The Christmas carol and the Cuban Missile Crisis
The hidden meaning of a holiday favorite.
thebulletin.org
December 25, 2025 at 2:30 PM
Can you guess which Christmas carol has a hidden nuclear reference?
This 2022 Bulletin article by Reba A. Wissner explores the hidden meaning of a holiday favorite: buff.ly/7TgAp2J
This 2022 Bulletin article by Reba A. Wissner explores the hidden meaning of a holiday favorite: buff.ly/7TgAp2J
"Man’s inadvertent influences on global climate up to now are small compared to natural variations, but in only a few more decades they may become dominant."
This 1970 Bulletin article, republished as part of our 80th anniversary, was early to connect CO2 pollution & global warming.
This 1970 Bulletin article, republished as part of our 80th anniversary, was early to connect CO2 pollution & global warming.
1970: Polar Ice and the Global Climate Machine
During the last century, CO2 in the atmosphere has increased by about 11 per cent. With the accelerated burning of fossil fuel that is expected during the next three decades, the CO2 level will be…
thebulletin.org
December 24, 2025 at 10:18 PM
"Man’s inadvertent influences on global climate up to now are small compared to natural variations, but in only a few more decades they may become dominant."
This 1970 Bulletin article, republished as part of our 80th anniversary, was early to connect CO2 pollution & global warming.
This 1970 Bulletin article, republished as part of our 80th anniversary, was early to connect CO2 pollution & global warming.
This year’s contributors to the Bulletin’s “Voices of Tomorrow” section, which features essays and opinion pieces by rising experts, focused heavily on the threats posed by nuclear weapons.
Here’s a sampling of insights from our newest voices: buff.ly/HhkNFq6
Here’s a sampling of insights from our newest voices: buff.ly/HhkNFq6
December 24, 2025 at 7:00 PM
This year’s contributors to the Bulletin’s “Voices of Tomorrow” section, which features essays and opinion pieces by rising experts, focused heavily on the threats posed by nuclear weapons.
Here’s a sampling of insights from our newest voices: buff.ly/HhkNFq6
Here’s a sampling of insights from our newest voices: buff.ly/HhkNFq6
Hear from the experts on nuclear risk, climate change, and disruptive technologies - sign up for our newsletter today. buff.ly/yORbt52
December 24, 2025 at 2:30 PM
Hear from the experts on nuclear risk, climate change, and disruptive technologies - sign up for our newsletter today. buff.ly/yORbt52
Whence nuclear power in the 21st century?
Whence nuclear power in the 21st century?
Whether a nuclear renaissance actually occurs in the coming decade or two depends on three fundamental questions: Are the new designs safer than their predecessors? Do the new designs lead to changes…
thebulletin.org
December 23, 2025 at 10:18 PM
Whence nuclear power in the 21st century?
Trump is manipulating national security to stop energy projects he doesn’t like buff.ly/7SfgoUZ
Trump is manipulating national security to stop energy projects he doesn’t like
On Monday, December 22, the Trump Administration announced it was pausing five major offshore wind energy projects, citing “national security risks.”
thebulletin.org
December 23, 2025 at 7:00 PM
Trump is manipulating national security to stop energy projects he doesn’t like buff.ly/7SfgoUZ
Reposted by Bulletin of the Atomic Scientists
In November, the UN General Assembly’s First Committee adopted a resolution examining the risks of integrating AI into nuclear weapons. In this piece for @thebulletin.org, Alice Saltini looks at some key takeaways:
thebulletin.org/2025/12/less...
thebulletin.org/2025/12/less...
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.
thebulletin.org
December 22, 2025 at 4:23 PM
In November, the UN General Assembly’s First Committee adopted a resolution examining the risks of integrating AI into nuclear weapons. In this piece for @thebulletin.org, Alice Saltini looks at some key takeaways:
thebulletin.org/2025/12/less...
thebulletin.org/2025/12/less...
Reposted by Bulletin of the Atomic Scientists
President Trump has a new pretense for stopping offshore wind development: vague and classified national security concerns.
New @thebulletin.org article by @petergleick.bsky.social
thebulletin.org/2025/12/trum...
New @thebulletin.org article by @petergleick.bsky.social
thebulletin.org/2025/12/trum...
Trump is manipulating national security to stop energy projects he doesn’t like
On Monday, December 22, the Trump Administration announced it was pausing five major offshore wind energy projects, citing “national security risks.”
thebulletin.org
December 22, 2025 at 10:09 PM
President Trump has a new pretense for stopping offshore wind development: vague and classified national security concerns.
New @thebulletin.org article by @petergleick.bsky.social
thebulletin.org/2025/12/trum...
New @thebulletin.org article by @petergleick.bsky.social
thebulletin.org/2025/12/trum...
On November 12, 2025, the Bulletin held its annual dinner, Conversations Before Midnight, an evening focused on the most urgent issues shaping our shared future. This year's event focused on advances in artificial intelligence.
youtube.com/playlist?lis...
youtube.com/playlist?lis...
Conversations Before Midnight 2025
Each year, the Bulletin of the Atomic Scientists convenes an exceptional community of leaders — in science, policy, business, and philanthropy — for an eveni...
youtube.com
December 23, 2025 at 2:30 PM
On November 12, 2025, the Bulletin held its annual dinner, Conversations Before Midnight, an evening focused on the most urgent issues shaping our shared future. This year's event focused on advances in artificial intelligence.
youtube.com/playlist?lis...
youtube.com/playlist?lis...
In November, the UN General Assembly's First Committee adopted a resolution on the risks of integrating AI into nuclear weapons systems. The resolution is an early attempt to translate a fast-moving technical debate into diplomatic language.
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.
thebulletin.org
December 22, 2025 at 10:18 PM
In November, the UN General Assembly's First Committee adopted a resolution on the risks of integrating AI into nuclear weapons systems. The resolution is an early attempt to translate a fast-moving technical debate into diplomatic language.
Héloïse Fayet writes for the Bulletin on the ways that the increase in noise, deception, and misunderstanding in our information abundant age could have crucial consequences in managing nuclear crises.
Algorithms of misperception: Managing nuclear risk in an AI world
The new nuclear age differs from previous eras in an important way: The current era is shaped by information abundance. But that abundance comes with a paradox: With more data there is also an…
thebulletin.org
December 22, 2025 at 2:30 PM
Héloïse Fayet writes for the Bulletin on the ways that the increase in noise, deception, and misunderstanding in our information abundant age could have crucial consequences in managing nuclear crises.
The Bulletin is proud to have two articles selected for Popshift's 2025 IP List, highlighting journalistic stories ripe for Hollywood adaptation.
iplist.org
iplist.org
December 21, 2025 at 10:18 PM
The Bulletin is proud to have two articles selected for Popshift's 2025 IP List, highlighting journalistic stories ripe for Hollywood adaptation.
iplist.org
iplist.org
The debate about nuclear energy must be reframed for the future buff.ly/hq6oEHl
The debate about nuclear energy must be reframed for the future
Discussion about nuclear energy has long been marked by extreme polarization, with proponents and opponents seeming to inhabit separate worlds when making wildly different claims about the future of…
buff.ly
December 21, 2025 at 2:30 PM
The debate about nuclear energy must be reframed for the future buff.ly/hq6oEHl
The Bulletin is excited to welcome @wellerstein.bsky.social as a new Senior Fellow!
Alex has written many pieces for the Bulletin over the years, including some of our most popular articles.
thebulletin.org/2025/12/alex...
Alex has written many pieces for the Bulletin over the years, including some of our most popular articles.
thebulletin.org/2025/12/alex...
Alex Wellerstein joins the Bulletin
The Bulletin is proud to welcome Alex Wellerstein as a new Senior Fellow. In this role, he will work with the Bulletin’s editorial team on historical
thebulletin.org
December 20, 2025 at 10:18 PM
The Bulletin is excited to welcome @wellerstein.bsky.social as a new Senior Fellow!
Alex has written many pieces for the Bulletin over the years, including some of our most popular articles.
thebulletin.org/2025/12/alex...
Alex has written many pieces for the Bulletin over the years, including some of our most popular articles.
thebulletin.org/2025/12/alex...
Reposted by Bulletin of the Atomic Scientists
For Popular Mechanics, I went behind the scenes to meet the people behind the @thebulletin.org’s Doomsday Clock. I asked—what does it mean to anticipate apocalypse as your job? www.popularmechanics.com/science/a695...
Humanity Is on a Fast Track to Destruction, Scientists Say. I Met the Experts Counting Down to the Apocalypse.
“We’re driving at the edge of a cliff with dim headlights.”
www.popularmechanics.com
December 19, 2025 at 6:17 PM
For Popular Mechanics, I went behind the scenes to meet the people behind the @thebulletin.org’s Doomsday Clock. I asked—what does it mean to anticipate apocalypse as your job? www.popularmechanics.com/science/a695...
Fentanyl is no WMD, but Trump’s Venezuela claims eerily echo Bush’s arguments for invading Iraq.
thebulletin.org/2025/12/a-de...
thebulletin.org/2025/12/a-de...
A decade of chemical and biological disinformation, mapped
A new tool allows us to visualize how disinformation campaigns originating in places like the halls of the Russian Ministry of Defence can end up circulating on Fox News or in international…
thebulletin.org
December 20, 2025 at 2:30 PM
Fentanyl is no WMD, but Trump’s Venezuela claims eerily echo Bush’s arguments for invading Iraq.
thebulletin.org/2025/12/a-de...
thebulletin.org/2025/12/a-de...
Reposted by Bulletin of the Atomic Scientists
In preparation for @thebulletin.org's anniversary issue this month I went through the archives to review our past climate coverage and found a LOT of gems. We couldn't include all of them in the timeline so going to share some of them here.
December 19, 2025 at 6:37 PM
In preparation for @thebulletin.org's anniversary issue this month I went through the archives to review our past climate coverage and found a LOT of gems. We couldn't include all of them in the timeline so going to share some of them here.
On Tuesday, the Trump administration announced plans to dismantle the National Center for Atmospheric Research, or NCAR, reports Benjamin Santer.
"Even if you’re not a scientist, this should be on your radar. You need to understand what it means."
Read more: buff.ly/kdq6GJg
"Even if you’re not a scientist, this should be on your radar. You need to understand what it means."
Read more: buff.ly/kdq6GJg
December 20, 2025 at 1:00 PM
On Tuesday, the Trump administration announced plans to dismantle the National Center for Atmospheric Research, or NCAR, reports Benjamin Santer.
"Even if you’re not a scientist, this should be on your radar. You need to understand what it means."
Read more: buff.ly/kdq6GJg
"Even if you’re not a scientist, this should be on your radar. You need to understand what it means."
Read more: buff.ly/kdq6GJg
Get a direct line to the topics that inform the Doomsday Clock
Sign up for our newsletter today.
Sign up for our newsletter today.
Get our newsletter! — Bulletin of the Atomic Scientists
Sign up for emails and receive a direct line to the best thinking on nuclear risk, climate change, and disruptive technologies.
thebulletin.org
December 19, 2025 at 10:18 PM
Get a direct line to the topics that inform the Doomsday Clock
Sign up for our newsletter today.
Sign up for our newsletter today.
For our 80th anniversary, Bulletin editor-in-chief @meckdevil.bsky.social interviews former executive director Kennette Benedict about where the Bulletin is going and where its been:
The recent past and foreseeable future of the Bulletin of the Atomic Scientists: a conversation
Editor in chief John Mecklin interviews former executive director Kennette Benedict
thebulletin.org
December 19, 2025 at 9:07 PM
For our 80th anniversary, Bulletin editor-in-chief @meckdevil.bsky.social interviews former executive director Kennette Benedict about where the Bulletin is going and where its been:
Have you ever wanted to know more about who sets the Doomsday Clock?
@emilystrasser.bsky.social profiles members of our Science and Security Board in a new piece for Popular Mechanics:
@emilystrasser.bsky.social profiles members of our Science and Security Board in a new piece for Popular Mechanics:
Humanity Is on a Fast Track to Destruction, Scientists Say. I Met the Experts Counting Down to the Apocalypse.
“We’re driving at the edge of a cliff with dim headlights.”
www.popularmechanics.com
December 19, 2025 at 2:30 PM
Have you ever wanted to know more about who sets the Doomsday Clock?
@emilystrasser.bsky.social profiles members of our Science and Security Board in a new piece for Popular Mechanics:
@emilystrasser.bsky.social profiles members of our Science and Security Board in a new piece for Popular Mechanics:
Reposted by Bulletin of the Atomic Scientists
🚨 JUST IN: A new book explains how four US administrations had multiple opportunities to stop North Korea from getting nuclear weapons but failed, @joecirin.bsky.social writes in @thebulletin.org.
#nuclearweapons #NorthKorea #Trump #nukesky
#nuclearweapons #NorthKorea #Trump #nukesky
Four US presidents failed to stop North Korea's nuclear buildup. Trump still has a shot
A new book tracks four decades of failed US policy toward North Korea, making a strong case that solutions existed—and still exist.
thebulletin.org
December 18, 2025 at 2:16 PM
🚨 JUST IN: A new book explains how four US administrations had multiple opportunities to stop North Korea from getting nuclear weapons but failed, @joecirin.bsky.social writes in @thebulletin.org.
#nuclearweapons #NorthKorea #Trump #nukesky
#nuclearweapons #NorthKorea #Trump #nukesky
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 Joe Cirincione.
"But Democrats and Republicans alike have long ignored this lesson." buff.ly/QPgZA2m
"But Democrats and Republicans alike have long ignored this lesson." buff.ly/QPgZA2m
December 18, 2025 at 2:02 PM
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 Joe Cirincione.
"But Democrats and Republicans alike have long ignored this lesson." buff.ly/QPgZA2m
"But Democrats and Republicans alike have long ignored this lesson." buff.ly/QPgZA2m