Bulletin of the Atomic Scientists

The authoritative guide to ensuring science and technology make life on Earth better, not worse.

The US presidential candidates are not confronting the nuclear threat that haunts the world

By Robert Jay Lifton | Analysis, Nuclear Weapons

This is a photograph depicting a female, Culex quinquefasciatus mosquito, while resting. (Lauren Bishop / CDC)

Best biosecurity coverage of 2024

By Matt Field | Biosecurity

glacier with and without efforts to rein in climate change

The best of the Bulletin’s bimonthly magazine, 2024

By Dan Drollette Jr | Analysis, Biosecurity, Climate Change, Nuclear Energy, Nuclear Weapons, Special Topics

Finnish President Urho Kekkonen (left) and Swedish Prime Minister Olof Palme checking their watches during a meeting in 1975

The rise and fall of Sweden’s nuclear disarmament advocacy

By Naman Karl-Thomas Habtom | Nuclear Risk, Nuclear Weapons

"Experience Day" at Offutt Air Force Base's petting zoo, 2017.

Emerging experts of 2024: Fresh thinking about the military (and TikTok)

By Dawn Stover | Analysis, Voices of Tomorrow

Seven noteworthy stories about potential progress on climate change in 2024

By Jessica McKenzie | Climate Change

A large container ship on the ocean

Note to Syrian rebels: Give up Assad’s chemical weapons and prosecute those who used them

By Doniyor Mutalov | Nuclear Weapons, Opinion, Voices of Tomorrow

Doomscrolling—the fun way! Our picks for best multimedia stories in 2024

By Erik English, Thomas Gaulkin | Biosecurity, Climate Change, Disruptive Technologies, Multimedia, Nuclear Risk

Another year, another 366 days of tech (with a healthy dose of AI)

By Sara Goudarzi | Disruptive Technologies

How impossible is the risk of nuclear escalation in Ukraine?

By Janice Stein | Nuclear Weapons

How regenerative agriculture can foster peacebuilding in conflict areas

By Richard “Drew” Marcantonio | Climate Change

This is a photograph depicting a female, Culex quinquefasciatus mosquito, while resting. (Lauren Bishop / CDC)

Best biosecurity coverage of 2024

By Matt Field | Biosecurity

glacier with and without efforts to rein in climate change

The best of the Bulletin’s bimonthly magazine, 2024

By Dan Drollette Jr | Analysis, Biosecurity, Climate Change, Nuclear Energy, Nuclear Weapons, Special Topics

"Experience Day" at Offutt Air Force Base's petting zoo, 2017.

Emerging experts of 2024: Fresh thinking about the military (and TikTok)

By Dawn Stover | Analysis, Voices of Tomorrow

AI goes nuclear

By Dawn Stover | Artificial Intelligence, Climate Change, Nuclear Energy

United Kingdom nuclear weapons, 2024

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

Finnish President Urho Kekkonen (left) and Swedish Prime Minister Olof Palme checking their watches during a meeting in 1975

The rise and fall of Sweden’s nuclear disarmament advocacy

By Naman Karl-Thomas Habtom | Nuclear Risk, Nuclear Weapons

Seven noteworthy stories about potential progress on climate change in 2024

By Jessica McKenzie | Climate Change

A large container ship on the ocean

Note to Syrian rebels: Give up Assad’s chemical weapons and prosecute those who used them

By Doniyor Mutalov | Nuclear Weapons, Opinion, Voices of Tomorrow

Doomscrolling—the fun way! Our picks for best multimedia stories in 2024

By Erik English, Thomas Gaulkin | Biosecurity, Climate Change, Disruptive Technologies, Multimedia, Nuclear Risk

Another year, another 366 days of tech (with a healthy dose of AI)

By Sara Goudarzi | Disruptive Technologies

How impossible is the risk of nuclear escalation in Ukraine?

By Janice Stein | Nuclear Weapons

An advertisement reads, “Our future is at stake. You can help create solutions by supporting our nonprofit mission to reduce existential threats. Give today.” Behind it, images of wildfires, surveillance cameras, nuclear missile launches, and biosecurity researchers symbolize climate change, nuclear risk, and disruptive technologies.

An advertisement reads, “Our future is at stake. You can help create solutions by supporting our nonprofit mission to reduce existential threats. Give today.” Behind it, images of wildfires, surveillance cameras, nuclear missile launches, and biosecurity researchers symbolize climate change, nuclear risk, and disruptive technologies.

Recent highlights

What’s causing the mysterious outbreak in Congo?

By Matt Field | Biosecurity

ranian President Masoud Pezeshkian speaks during a visit to the shrine of the Islamic Republic's founder Ayatollah Ruhollah Khomeini in Tehran on July 6, 2024. Pezeshkian, who advocates improved ties with the West, on July 6 won a runoff presidential election against ultraconservative Saeed Jalili, the interior ministry said. (Photo by ATTA KENARE / AFP via Getty Images)

Trump’s chance for a major breakthrough in Iran-West relations

By Seyed Hossein Mousavian | Nuclear Risk, Nuclear Weapons

Lysenko, Mbeki, and RFK Jr.: Leaders who shun science will face predictably bad results

By Georgios Pappas | Biosecurity

Three Mile Island

Congress wants to turn the nuclear regulator into the US industry’s cheerleader—again

By Victor Gilinsky | Nuclear Energy, Opinion

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

doomsdash

Doomsday Dashboard

Screen Shot 2022-12-15 at 4.48.59 PM

Nuclear Arsenals of the World

The Doomsday Clock timeline.

Doomsday Clock Timeline

What's new at the Bulletin

Denver-based writer and national security researcher Collin Van Son is the recipient of the Bulletin’s 2024 Leonard M. Rieser award for his article, “Dispatch from a nuclear petting zoo.”

Congratulations to the Bulletin’s 2024 Rieser Award recipient

Asha M. George (second to right) speaks at the 2024 Doomsday Clock Announcement alongside, from left to right, Bulletin President and CEO Rachel Bronson and fellow Science and Security Board members Herbert Lin and Alexander Glaser. (Photo: Jamie Christiani).

Bulletin board member appointed to National Academies of Sciences committee

Artwork created by Lovely Umayam weaves together art and snippets of writing from the Bulletin’s archives to form a landscape mosaic that evokes the interweaving of art, words, and ideas.

Discuss the US elections, geopolitics, space, and more at Conversations Before Midnight

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