Over the past few decades the world has grown accustomed to nuclear arms treaties What is often forgotten is that the regime emerged as a response to a costly arms race, not because those involved displayed

The idea of a global nuclear order exists mostly as a construct in the minds of those who claim it The past eighty years of nuclear history read more like an order searching for itself, marked by repeated

A perspective on the evolution of nuclear order:

Without prior investment in basic science, the prognosis would be much poorer. Science provides justifiable hope for the future. Science also offers hope for the future of the planet shared by all

Sara Goudarzi interviews Ilia Delio, a Franciscan Sister and scientist, about the significance of the Pope's first encyclical on AI

Technology has always been what nature does in the face of limits, when the environment seems to be breaking down

Nuclear escalation is more likely when a leader feels cornered, when military efforts falter, and when the boundary between defending personal authority and defending the state begins to blur

Researchers had commercial AI models simulate being the leader of a nuclear-armed country during a standoff. The models chose to use nuclear weapons in all but one of the 21 simulations

Acknowledging progress is important, but equally vital is challenging disinformation that claims there’s no longer any reason to worry about the climate’s future

Thomas Pickering outlines the background to the first Iran nuclear agreement, assesses paths toward an enhanced "JCPOA-plus" deal, and considers the prospects for a weapons-of-mass-destruction-free

A food security expert lays out how nuclear war could disrupt the global food trade, and argues that it is reasonable for non-nuclear countries to prepare for a possible nuclear winter

An Atlantic columnist and U.S. Naval War College professor emeritus examines the current political situation in the United States, how it's shaping U.S. foreign policy, and what that implies for future

As an NPT state party under nuclear threats, Iran has rightly pressed for codifying and legalizing negative security assurances — the commitment that nuclear-armed states will not use nuclear weapons against

Thousands are classified as high hazard, meaning their failure could result in loss of life

Across the country, the average dam is 64 years old and most were designed for rainfall patterns that no longer match current climate conditions.

If people feel powerless and too terrified to engage, the situation only gets worse — this is a recurring concern A Guardian piece on the Doomsday Clock includes that observation from the Bulletin Science

Alexandra Bell, CEO of the Bulletin, makes this observation in a new Guardian piece examining the history of the Doomsday Clock and the Bulletin

"A slow, almost sleepwalking drift into increasing dangers has occurred over the last decade"

That portrayal is not only inaccurate and potentially borderline racist; it also serves to normalize nuclear disasters

The disasters at Chernobyl and Fukushima are often portrayed as cultural outliers—blamed on Soviet communism or Japanese "groupism"