Bulletin of the Atomic Scientists

The field of climate change is constantly changing, and every shift brings new levels of scientific disinformation. For example, recent analysis has emerged on RCP8.5, a scenario whose worse case s...

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What's delaying a US-Iran nuclear deal? They keep arguing over a single phrase in their negotiations. #iran #usa #irannuclear #nuclear

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The global order is shifting, and the US is driving the change. The rebranded Department of War is living up to its new name, a rekindled arms race may follow the expiration of New START, and inter...

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Does Iran have a nuclear bomb? Bulletin assistant multimedia editor Rambo Talabong breaks it down. #iran #iranwar #irannews #nuclear

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Bulletin Science and Security Board member Steve Fetter discusses concerns surrounding new technologies, such as artificial intelligence and space weaponry, that factored into the 2026 Doomsday Clo...

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A quiet crisis may be unfolding within the foundations of expertise and thought-leadership. While artificial intelligence promises increased efficiency in almost every industry, evidence of AI usag...

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Since it began on February 28th, the war in the Middle East has targeted civilian infrastructure, including energy infrastructure. Civilian nuclear power plants have not been immune as Dimona in Is...

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Bulletin Science and Security Board member Inez Fung discusses what individuals can do to tackle climate change. You can watch the full interview on our YouTube channel.

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Bulletin Science and Security Board member Inez Fung discusses global warming concerns and solutions that factored into the 2026 Doomsday Clock conversation, from her point of view. Inez Fung is a...

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"Not only do we not need to test, but doing so would be a favor to Russia and China and North Korea and others that still have a lot of work they could do to advance their nuclear arsenals." Bulle...

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Bulletin Science and Security Board member Jon B. Wolfsthal discusses the nuclear weapons issues that factored into the 2026 Doomsday Clock decision. Wolfsthal is currently the US nuclear weapon p...

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The United States and Israel have launched thousands of missiles targeting Iran’s government and military infrastructure. Many are striking heavily populated areas, including the capital, Tehran, a...

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"I think this plays into the broader erosion of confidence in US leadership and US security guarantees, even if we aren't seeing some of the direct and pointed criticism against the United States f...

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"I don't think it's an accident that we're experiencing such severe democratic backsliding in the United States when it's been followed by 20 years of forever wars." —Jeffrey Lewis at the Bulletin'...

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On Saturday morning, the US and Israel launched attacks against Iran, with immediate retaliation across the region from Tehran. Sources say that the attacks will continue for several days. In a vid...

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Command and control of nuclear weapons is a delicate and complicated system, designed to prevent error while ensuring reliability under high-pressure conditions. In environments where vast amounts ...

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Command and control of nuclear weapons is a delicate and complicated system, designed to prevent error while ensuring reliability under high-pressure conditions. In environments where vast amounts ...

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"Now it's time to create, to build the world we want, that is more compassionate, more equal, more sustainable. 85 seconds to midnight. You know, the question now is not whether we can. The questio...

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"What we see today, is the United States and Russia, and specifically President Trump and President Putin, about to abandon 50 years' worth of effort to keep the stability between the two largest n...

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"We note, with alarm, the recent tragedies in Minnesota and the erosion of the constitutional rights of American citizens. History has shown that when governments become unaccountable to their own ...

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