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

A rising danger in the Arctic: Microbes unleashed by climate change

By Valerie Brown | Biosecurity, Climate Change, Investigative Reporting

‘The air is killing us all’: What will it take to get India to tackle its perpetual pollution problem?

By Hannah Ellis-Petersen | Climate Change

A table for five: What to expect from each player at Ukraine peace talks

By Rose Gottemoeller | Nuclear Risk

A growing nuclear debate: The risk of calling everything a nuclear threat

By Chloe Shrager | Nuclear Weapons
tearing hair out at meal with climate change-denier

Advice for Thanksgiving 2024: How to deal with the climate change-denier at the table

By Richard C. J. Somerville | Climate Change, Opinion, Special Topics

The slippery challenge of defining climate adaptation

By Jake Bittle | Climate Change
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

Can they control the weather? How the secretive history of weather weapons fuels conspiracy theories

By Justin Key Canfil | Climate Change
US Capitol with flag

Why a newly passed House “terrorism financing” bill could threaten nonprofits and free speech

By Sara Goudarzi | Disruptive Technologies, Interviews
Three Mile Island

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

By Victor Gilinsky | Nuclear Energy, Opinion
roulette wheel

“Fusion is not a typical bet”: Interview with Silicon Valley investor Mark Coopersmith

By Dan Drollette Jr | Climate Change, Nuclear Energy

A table for five: What to expect from each player at Ukraine peace talks

By Rose Gottemoeller | Nuclear Risk

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

A rising danger in the Arctic: Microbes unleashed by climate change

By Valerie Brown | Biosecurity, Climate Change, Investigative Reporting

United Kingdom nuclear weapons, 2024

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

‘The air is killing us all’: What will it take to get India to tackle its perpetual pollution problem?

By Hannah Ellis-Petersen | Climate Change

A growing nuclear debate: The risk of calling everything a nuclear threat

By Chloe Shrager | Nuclear Weapons

An adverstisement reads, “Cyber Monday Sale. Until Dec. 3, use code CYBER50 to get 50% off a Bulletin magazine subscription. Subscribe.” Beside it is an image of earth with a heart pulse monitor line connected to a pencil held by a hand that appears to be writing.

An adverstisement reads, “Cyber Monday Sale. Until Dec. 3, use code CYBER50 to get 50% off a Bulletin magazine subscription. Subscribe.” Below it is an image of earth with a heart pulse monitor line connected to a pencil held by a hand that appears to be writing.

The Bulletin interactive

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

Virtual Tour: Turn Back the Clock

Doomsday Dashboard

Nuclear Arsenals of the World

Doomsday Clock Timeline

What's new at the Bulletin

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

Rose Gottemoeller, the former Deputy Secretary General of NATO, and Manpreet Sethi, a distinguished fellow at the Centre for Air Power Studies, join Bulletin leadership.

The Bulletin welcomes top nuclear security experts to its leadership

Bulletin editor-in-chief John Mecklin (left), Bulletin President and CEO Rachel Bronson (center), and CEO of Lightbridge Corporation Seth Grae (right) converse during the 2023 Doomsday Clock Leadership Luncheon. Photo by Jamie Christiani.

Bronson to step down as Bulletin president & CEO

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