The radioactive legacy of the US nuclear weapons program has spawned the most costly, complex, and risky environmental cleanup effort ever undertaken, with a long-term liability estimate ranging up to $1 trillion.

In-depth characterizations of the positions countries negotiating a nuclear weapons ban treaty have taken in regard to what the treaty ought to include.

In a nuclear war, hundreds to thousands of detonations would occur within minutes, resulting in tens to hundreds of millions of people dead or injured in a few days. But a few years after, global climatic changes caused by the many nuclear explosions could be responsible for the death of more than half of the human population.

In a nuclear war, hundreds to thousands of detonations would occur within minutes, resulting in tens to hundreds of millions of people dead or injured in a few days. But a few years after, global climatic changes caused by the many nuclear explosions could be responsible for the death of more than half of the human population on Earth.

The US, UK, and Australia announcement on nuclear submarines turns existing precedence and practice on their heads, extending traditionally northern hemisphere cooperation to Australia and bolstering its role in countering China. But the deal has outraged France, which has recalled its ambassadors to the United States and Australia.

Although it has been only two years since the conclusion of the fourth and final Nuclear Security Summit, it feels as though nuclear politics have been on fast-forward. China, Russia, and the United States are modernizing their nuclear arsenals; North Korea has openly tested intercontinental ballistic missiles; and the pressure for disarmament has found a … Continued

The nuclear weapons states seem to have accepted the idea that a treaty to prohibit nuclear weapons—known informally as the ban treaty—could indeed be the result of a UN conference being held this June and July in New York City. Nevertheless, some observers maintain that even if a ban treaty were to be negotiated, it … Continued

An adaptation of remarks California Gov. Jerry Brown made at the Bulletin's 70th anniversary Doomsday Clock Symposium in November 2015, in Chicago

Comics and graphic novels have provided a means of deep and nuanced thinking about nuclear weapons for decades, raising questions and offering perspectives many readers might still not expect from such a colorful medium.

The author of The Second Nuclear Age: Strategy, Danger and the New Power Politics talks about the recent exposés about the state of US nuclear forces, and rethinking the nuclear triad.

As students flock back to school this week, nuclear weapons and nuclear risk will not be a standard part of class curricula. Why not?

In 2019, young people had something to say about the lack of progress on stabilizing the climate, negotiating with North Korea, and preparing for the arrival of quantum computing.

What would happen — environmentally, socially, economically, and politically — if terrorists managed to explode a single nuclear weapon in a city?

How scientists from once-and-future adversaries cooperated to prevent nuclear catastrophe.

Einstein said that the atomic age called for a new way of thinking, one that focused on cooperation rather than competition. Why has progress been so slow?

The inherent difficulties of managing fictional dragons and real-life nuclear weapons

When Americans are asked whether they know enough about nuclear weapons to assess the benefit or harm to them personally, two thirds say they do not, according to a recent Chicago Council-Carnegie Corporation survey. But 60 percent of responders said they are interested in learning more about US nuclear weapons policy.   

Probing the 2016 presidential candidates’ records on nuclear weapons makes for some interesting reading and could foretell US nuclear policies to come, yet the subject still deserves far more attention between now and November. 

William McNeilly’s revelations about the Trident submarine program highlight the need to support nuclear personnel—even if disarmament is the ultimate goal

The Y-12 National Security Complex has not produced weapons for some 25 years, but its annual budgets have increased by nearly 50 percent since 1997. The dysfunction must end, sometime.