Thanks, Mr. President. We've got an editorial series of "expert comments" for you. #NewSTART #armscontrol #nuclearweapons #nukesky

For our latest Nukes of Hazard podcast episode, President and CEO of @thebulletin.org @atomicbell.bsky.social chats with Communications Director Anna Schumann about the Doomsday Clock and the end of New START. armscontrolcenter.org/with-doomsda...

The fire season in Patagonia this summer will likely be one of the most severe in recent decades, and the crisis is not an isolated phenomenon, writes Bulletin climate editorial fellow María de los Ángeles Orfila.

The New Strategic Arms Reduction Treaty—the last arms control agreement between the United States and Russia, which limits strategic nuclear weapons—expires this Thursday. To understand the implications of a world without New START, the Bulletin invited leading experts to share their views.

"Arctic security should be managed among NATO allies through the collective efforts of all and under the alliance’s framework, with a far stronger European and US contribution," writes Igor Morić.

"The pairing of fully autonomous drone strikes and dehumanizing imagery could undermine public support for military action, even in cases when action is needed," write Paul Lushenko and Srinjoy Bose @srinjoybose.bsky.social.

The Doomsday Clock has now been set at 85 seconds to midnight & if Felon Donald Trump continues in the driver’s seat, the future of the world is at stake. The @thebulletin.org's Alexandra Bell joins with a sobering assessment of the issues we must be paying attention to. youtu.be/scvnqwPRtFQ?...

"The notion that so-called peaceful nuclear technology is an effective pacifier for countries that obviously have weapons on their mind should have died with the Atoms for Peace program," writes Victor Gilinsky, former commissioner of the US Nuclear Regulatory Commission. ⬇️

Nuclear weapons were supposed to deter great-power war, impose caution on leaders, and anchor what strategists liked to call strategic stability, writes Alex Kolbin. "Today, that framework is eroding in plain sight." Read more: buff.ly/FJffN0P

During the 2025 crisis between India and Pakistan, even reputable journalists and politicians were misled by fabricated content, writes Qamar Shahzad Rajoka. "Such material might not trigger a crisis, but it can dangerously intensify one." Read more: buff.ly/hFEW9QE

A retired Navy General who is grieving the loss of his wife finds new love for life after befriending a stray mutt in this short story by Kerri Brady Long. However, there is more to this dog than initially meets the eye. Read more: buff.ly/5MScSly

"These problems can seem overwhelming, but we can turn back the Doomsday Clock, and we have done it before," said Bulletin President and CEO Alexandra Bell. "No one can do everything, but everyone can do something." Watch the 2026 announcement: buff.ly/bnpzZuR

The @thebulletin.org experts were clear: the Doomsday Clock is a call to action. We all have a role to play here. Talk to your friends, colleagues and whoever will listen. The time for action is now. It is 85 seconds to midnight.

The @thebulletin.org advanced the Doomsday Clock by 4 seconds this year in part due to growing biological threats, including AI, mirror life, and bioweapons, and degradation of US and global health capabilities over the last year. You can read more here: thebulletin.org/doomsday-clo...

Four major concerns—the possibility that scientists could create mirror life, the continued evolution of AI and biological weapons programs, and the rapid dismantling and degradation of US public health infrastructure—all endangered the world in 2025. Read the Clock statement: buff.ly/17yAznF

In the Doomsday Clock statement, the Bulletin's Science and Security Board states that increasing chaos, disorder, and dysfunction in the world's information ecosystem threaten society's capacity to address difficult challenges. Read more: buff.ly/17yAznF

"The national and international responses to the climate emergency went from wholly insufficient to profoundly destructive," writes the Bulletin's Science and Security Board in the 2026 Doomsday Clock statement. Read the statement: buff.ly/rkwoROu

"2025 ended with no reassuring nuclear developments," writes the Bulletin's Science and Security Board in the nuclear risk section of the 2026 Doomsday Clock statement. "Rather, old and new negative trends solidified." Read the full statement: buff.ly/17yAznF

What time is it? 85 seconds to midnight. The setting of the Doomsday Clock gets a lot of eyeballs, but the real juice is in the Clock Statement, where @meckdevil.bsky.social synthesizes the many intersecting global threats assessed by @thebulletin.org's Science & Security Board:

The 2026 Doomsday Clock announcement, captured by photographer Jamie Christiani. IT IS 85 SECONDS TO MIDNIGHT. Watch the 2026 Doomsday Clock announcement: buff.ly/BGu0Zse

The Doomsday Clock timeline explores every shift of the Clock—forward and backward— over the past 79 years. Visit the timeline: buff.ly/UfYaZRZ

“A world splintering into ‘us versus them’ will leave all of humanity more vulnerable,” said Bulletin Science and Security Board Chair Daniel Holz. Watch the 2026 Doomsday Clock announcement to hear his remarks: buff.ly/BGu0Zse

A retired US Air Force Major General. An atmospheric scientist. A computer scientist. An infectious diseases clinician. These are just a few of the titles that members of the Science and Security Board hold. Learn more about the Board: buff.ly/F9X2SjQ

“National leaders … must take the lead in finding a path away from the brink,” writes the Science and Security Board in the 2026 Doomsday Clock statement. “Citizens must insist they do so.” Watch the announcement: buff.ly/BGu0Zse

Today, @thebulletin.org moved its Doomsday Clock four seconds closer to midnight. As B.R. Cohen wrestled with our "derangement of scale," he spoke with an environmental scientist who has helped set the clock's hands

The Bulletin’s Science and Security Board is a select group of globally recognized leaders with a specific focus on nuclear risk, climate change, & disruptive technologies. In the 2026 Doomsday Clock statement, they explain why the Clock is now at 85 seconds to midnight. Read more: buff.ly/17yAznF

"When governments become unaccountable to their own citizens, conflict and misery follow." —Daniel Holz, Chair, Science and Security Board @thebulletin.org The Doomsday Clock is now at 85 seconds to midnight.

Watch Nobel Peace Prize winner and journalist Maria Ressa talk about technology and disinformation at the Doomsday Clock announcement. "The operating system has been corrupted." @thebulletin.org www.youtube.com/watch?v=ulvU...

We are now 85 second to midnight. This is the closest to midnight the world has ever been. @thebulletin.org

The Bulletin was honored to welcome Nobel Peace Prize Laureate Maria Ressa as the guest speaker at the 2026 Doomsday Clock announcement. Watch the 2026 Doomsday Clock announcement to hear her remarks: buff.ly/BGu0Zse

IT IS 85 SECONDS TO MIDNIGHT. Watch the 2026 Doomsday Clock announcement: buff.ly/BGu0Zse

The 2026 Doomsday Clock announcement starts at 10 a.m. ET. Watch it live ⬇️

Trillions of miles of tiny fungal tubes embedded in soil transport nutrients to crops and other plants and fight climate change by storing carbon. Scientists are racing to understand how these fungi—increasingly under threat—function. Read more: buff.ly/PufA3fG

Tomorrow, the Bulletin of the Atomic Scientists' Science and Security Board will reveal the 2026 Doomsday Clock time. The announcement will be livestreamed at this link and on the Bulletin's YouTube channel: buff.ly/BGu0Zse

To mark the Bulletin’s 80th anniversary, we launched a short fiction contest that was judged by acclaimed author Kim Stanley Robinson. In the introduction to our January magazine issue, Bulletin Editor-in-Chief John Mecklin announces the winners. Read more: buff.ly/GtjsvSa

225 scientists who conduct research in Greenland sign statement that they “vehemently oppose President Trump’s aggressive stance regarding Greenland and reiterate—as Greenland’s leaders have clearly stated—that Greenland is not anyone’s to ‘buy’ or ‘take.’

Ahead of the 2026 Doomsday Clock announcement on January 27, explore the history of the internationally recognized symbol in the Doomsday Clock timeline. Visit the timeline: buff.ly/UfYaZRZ

Iran isn’t the only country resorting to internet shutdowns to suppress its population. In 2025, an estimated 212 shutdowns occurred across 28 countries, resulting in 120,000 hours of internet disruption that affected 798.12 million people. Read more: buff.ly/hJrNZUq

The alarm of a possible nuclear strike. A computer system that is 100% certain. A Soviet nuclear threat detection officer who has his doubts. With one minute left to target, writer Alex Debartin brings a Russian officer’s stream of consciousness to life in this short story.

The “Donroe Doctrine” moved to the Arctic. Europe must now redefine burden sharing

The Bulletin is honored to welcome Mari Faines, a policy expert who has worked at the intersection of nuclear nonproliferation policy and social justice issues, and Suzi Ragheb, an independent researcher specializing in digital governance and cross-cultural tech policy, as 2026 board fellows.

One of the winning stories of the Bulletin’s “Write Before Midnight” fiction contest invites readers to reflect on a funny—yet perplexing—metaphor that Kim Stanley Robinson says "captures some of the truth of the situation." Read the full story: buff.ly/dX3EW5t

The Doomsday Clock isn’t a calculation. It’s not a theory. It’s not an equation. It’s a metaphor. Bulletin senior advisor Kennette Benedict explains the purpose and history of the Clock in the Doomsday Clock FAQ: buff.ly/n9hYlCW

Researchers have been indexing stories of AI’s harmful outcomes since 2018. Most incidents are anchored by a news story. So, the database is not an archive of all AI’s problems. Rather, it's a compilation of its newsworthy issues, reflecting significant challenges in AI adoption. buff.ly/OqLNFR5

To try to understand the Trump administration's public health policy, Bulletin biosecurity editor Matt Field and multimedia editor Erik English talked to three experts about what they think the public health picture will look like in 10 years. ⬇️

The Bulletin’s mission—protecting civilization from manmade existential threats like nuclear weapons and climate change—is important, says Bulletin Editor-in-Chief John Mecklin. "Filling civilization with art and the humanity it fosters is important, too." See the winners of our fiction contest ⬇️

Art has always been central to how the Bulletin tells the story of existential risk. Join us tomorrow at 11:15 am CT to talk about current projects and the philosophy behind them. pages.thebulletin.org/art-science

Discover the seven stories Kim Stanley Robinson selected as the winners of the Bulletin's Write Before Midnight contest in our January magazine issue. Start reading: buff.ly/mNO6mTQ

Pulling out of 66 international organizations, Trump turns his back on science, facts, reason

"With Ukraine and Iran last year—and Venezuela now—President Trump has fully embraced a doctrine that starts with derogatory statements, continues with threats, and ends with strikes and coercion." writes @francoisdm.bsky.social in a new opinion piece.