Bulletin of the Atomic Scientists

At its foundation, the Bulletin is a media entity that offers a free-to-access website and publishes a magazine every two months. However, we are much more than just that. Our website, the renowned Doomsday Clock, and our regular events aim to promote practical solutions during a time when technology is evolving faster than our ability to manage it. The Bulletin concentrates on three key areas: nuclear threats, climate change, and disruptive technologies. The common thread among these subjects is our belief that since humans have created these challenges, we also have the power to control them. The Bulletin operates as an independent, nonprofit 501(c)(3) organization. We bring together the most knowledgeable and influential experts on human-made dangers and share their innovative ideas with a worldwide audience. We engage in thoughtful discussions and are unafraid to confront unsettling truths.

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The radiation risks of Iran’s nuclear program, with or without a strike on Fordow

1 week ago | thebulletin.org | Thomas Gaulkin

Editor’s note: This is a developing story that will be updated. Since launching its surprise attack on June 13, Israel has carried out multiple air strikes on nuclear facilities across Iran. The attacks on a research reactor, enrichment plants, and other nuclear facilities have led to significant damage visible from satellite imagery and concerns of possible radiological and chemical release.
Time for Congress to save American science…and the nation

3 weeks ago | thebulletin.org | Dan Drollette

Trump’s tariffs and deportations continue to command the lion’s share of headlines, but his perverse campaign against American science continues apace, with impacts likely to be profound. The rapidly growing damage to the scientific pillar of American well-being and influence requires that Republican members of Congress stand up to rein Trump in.
How philanthropy could help offset Trump cuts to disaster prevention and recovery

3 weeks ago | thebulletin.org | Jessica McKenzie

Road damage in Yancey County, North Carolina, from Hurricane Helene. Despite facing an estimated $60 billion in damages, some towns have yet to receive federal funds to repair roads and public buildings. (Photo: North Carolina Department of Transportation/Flickr) Eight months after Hurricane Helene tore through the Southeastern United States, many communities in North Carolina have yet to fully recover.
A nuclear consortium in the Persian Gulf as a basis for a new nuclear deal between the United States and Iran

3 weeks ago | thebulletin.org | John Mecklin

In the current talks between the United States and Iran, mediated by Oman, over the future of Iran’s uranium enrichment program, a regional nuclear consortium has been proposed by both Iran and the United States as a way to bridge the gap between US demands that Iran have no uranium enrichment and Iran’s insistence that it will not give up its rights and achievements regarding enrichment.
Give peace a chance? Why sustainability requires more than stability

3 weeks ago | thebulletin.org | Jessica McKenzie

Conflict and environmental risks are both on the rise around the world, and they’re often connected in complex ways. In the past five years, the number of global conflicts has doubled. At the same time, human activity is pushing the planet beyond the “safe operating space,” increasing the risk of instability. Researchers studying the links between conflict and environmental change have found that war and violence almost always harm the environment.
The NRC’s new Mission Impossible: Making Atoms Great Again

4 weeks ago | thebulletin.org | John Mecklin

In early May, drafts of presidential executive orders surfaced that would “reform” (e.g., dismantle) the long-established independent safety and security framework under which the United States regulates commercial nuclear power. For those who held out hope that the leaked orders were trial balloons and would be shot down by stakeholders who value regulatory stability and clarity—such as nuclear power plant operators—disappointment loomed.
To win on nuclear energy, the United States should lose reprocessing

1 month ago | thebulletin.org | John Mecklin

Trump's executive orders on nuclear energy unfortunately played the prospect of nuclear fuel reprocessing and recycling prominently—even though reprocessing has a history of cost overruns and poses serious security concerns. The siren song of spent nuclear fuel reprocessing beckons again, selling a sweet melody that, actually, threatens to stymie hopes of a nuclear energy revival in the United States.
Young people will be key to preventing the next pandemic

1 month ago | thebulletin.org | Matt Field

The World Health Organization (WHO) headquarters. Credit: ©Yann Forget / Wikimedia Commons / CC-BY-SA. Though countries across Africa, Asia, and Latin America, sometimes collectively called the Global South, are increasingly central to scientific research, disease surveillance, and public health innovation, they historically have had little say in the shaping of policies meant to keep international health crises at bay.
China to build world's largest hydroelectric project in Tibet, prompting fears of 'water bombs' and environmental destruction

1 month ago | thebulletin.org | Jessica McKenzie

Editor’s note: This story was originally published by Yale e360. It appears here as part of the Climate Desk collaboration. China has announced plans to build the world’s largest hydroelectric project at a remote river gorge in eastern Tibet, an ecological treasure trove close to a disputed border with India. Indian politicians have reacted angrily, saying it gives China the ability to release destructive “water bombs” across the border in any future conflict.
The 15-minute interview: Joe Cirincione on Golden Dome and the long-running US missile defense debacle

1 month ago | thebulletin.org | John Mecklin

After President Trump announced the start of a so-called Golden Dome missile defense project early this week, major press coverage was largely matter-of-fact and relatively unperturbed. Some news reports included quotes from experts who questioned the administration’s estimates of the cost and time required to complete the enormously complex and ambitious project.