Lack of knowledge about capabilities and risks may contribute to strong support for using military drones.

When facing far weaker adversaries, possessing a much larger nuclear arsenal doesn't help emerging victorious from a crisis—on the contrary.

NPT parties have a chance to achieve more than what appeared possible if the conference had gone ahead as planned. Here’s how to make the most of the extra time.

“Enhanced interrogation” comes from a long line of military euphemisms. Will the public reject the term and call the practice what it is?

Future arms control negotiations would benefit from modern risk assessment technologies.

At the end of the day, the best way to measure success or failure at COP26 is by whether or not it significantly reduced carbon dioxide emissions. And by that ruthless metric, it’s hard to see the whole thing as anything other than a failure. Despite this, there were still some positive signs.

As the Biden Administration re-engages Iran and reviews US policy toward North Korea, analysts are debating whether a “transactional” approach that focuses on reducing the nuclear threat is sufficient, or whether the U.S. should seek a transformative “grand bargain.” Both arguments have some merit, but the perceived distinction between them is a false one.

The most arduous and important task facing the new president will involve breaking the dangerous pattern of repeated escalation of nuclear tension between the United States and Russia.

Don’t know what to think of our new protector of the environment? A Mother Jones article from before his nomination reveals a lot.

A new study suggests molnupiravir, a popular COVID-19 antiviral treatment, may be leading to the proliferation of mutated SARS-CoV-2 viruses, concerning experts who worry the drug could help breed new dangerous variants.

The 6-3 landmark decision will not only have massive implications for the Biden administration’s efforts to fight climate change—it also affects the federal government’s ability to set standards and regulate in other areas, such as clean air and water, consumer protections, banking, workplace safety, and public health.

A short interview with Bulletin columnist and Rand Corporation Iran expert Ariane Tabatabai about the meaning of Iranian President Rouhani’s announcement that his country would stop complying with some elements of the Iran nuclear agreement.

Editor’s note: This story was originally published by the Guardian. It appears here as part of the Climate Desk collaboration. Brazil’s president-elect Jair Bolsonaro has chosen a new foreign minister who believes climate change is part of a plot by “cultural Marxists” to stifle western economies and promote the growth of China. Ernesto Araújo—until recently a mid-ranking official who blogs about … Continued

The United States continues to push policies that presume China will alter its long-held, manifestly clear, and firmly defended position on North Korea. It won't.

“Unlike all other instruments of war, nuclear weapons are the president’s weapon.” Two days before the 75th anniversary of Trinity, the first ever test of nuclear weapons, the Bulletin hosted a global webinar featuring William J. Perry, former US Secretary of Defense and Chair of the Bulletin Board of Sponsors; Tom Collina, Policy Director, Ploughshares … Continued

Commitments by states to purchase renewable power, support from the Biden administration, and billions in new investment are all contributing to the emergence of this fledgling industry. After years of fase starts, offshore wind power may be poised to move into high gear.

Last month US Energy Secretary Rick Perry met with his Saudi counterpart, Khalid Al-Falih, to continue their dialogue on a US-Saudi nuclear agreement to permit sale of US reactor equipment to the kingdom. The official US announcement states Secretary Perry “underscored . . . any nation seeking to develop a truly safe, clean, and secure … Continued

The line between harmless urban legend and dangerous conspiracy theory is thin.

If you care about climate change, who should you support in tomorrow night’s debate?

Last October, with 55 percent of the vote, Brazilians elected former army captain Jair Bolsonaro to a four-year term as president. He not only represents an ideological shift after 13 years of center-left administrations but also brings back members of the armed forces to a position of power more than 30 years after the end … Continued