As two parties to the Joint Comprehensive Plan of Action (JCPOA)—the United States and Iran—are now openly and willfully violating the nuclear accord, it is becoming more difficult by the day for Europeans to pursue their policy of preserving the JCPOA.

A new psychological study shows a way to stop the spread of misinformation, on climate change or anything else.

The US House of Representatives tries to defund scientific research on climate change so the government can't learn what some House Republicans don't want to believe.

Daryl Kimball, director of the Arms Control Association, suggests four questions about the use of nuclear weapons, US-Russia arms control, and Iran that journalists and citizens should ask the 2024 presidential candidates.

Modern eyes can see problems with the upbeat “Duck and Cover” civil defense materials from the 1950s. But how should you stay safe in the event of a nuclear explosion today? If you don’t know, you’re not the only one, finds a new study.

Over the decades since the Hiroshima and Nagasaki bombings, the worldwide taboo against the use of nuclear weapons drove agreements such as SALT, START and the INF Treaty. Over the last year, however, the taboo seems to be weakening: North Korea continues to test nuclear weapons, Russia is apparently re-thinking its commitment to the INF … Continued

A review of the possible types of missiles that Iran launched in January 2017.

The behind-the-scenes story of the appeal for action on climate change, issued by 71 Nobel Prize-winners.

Before France can extend its nuclear umbrella to the rest of the Union, Macron first needs to answer some critical questions.

A new analysis by researchers at Yale and Columbia universities shows the US lags far behind other industrialized countries in a range of categories.

Are tech titans more powerful than ever before and holding nation-states subservient to their whims? Or is their influence exaggerated?

Current modernization plans for the US strategic nuclear triad may not have sufficiently considered the range of available options made possible by new technology, or adequately considered whether a more streamlined and less expensive force structure would suffice for deterrence.

Any post-war attempt to revive arms control will face four major challenges: the rise of China as a major nuclear power; new technology, including hypersonic missiles and drone swarms; US military budgetary constraints; and the possibility of increased nuclear proliferation. The new challenges will require new approaches, including, at the least, including China in any efforts to further extend New START limits on strategic nuclear weapons.

As the security situation ratcheted up on the Korean Peninsula over the last week, the  Bulletin’s staff, leadership, and columnists quickly jumped into action, providing a trusted source of information to help track and make sense of unfolding events. Here is a summary of what we’ve been up to, in case you missed it: Los … Continued

Young people had something to say in 2018. On the issue of school shootings and gun control, for example, Americans heard the voices of student activists like Emma Gonzalez and David Hogg of Marjory Stoneman Douglas High School in Parkland, Florida. On climate change, 21 young Americans continued in their legal quest to hold the … Continued

Anti-vaccine arguments have gained traction in legislatures across the United States. The governor of West Virginia recently had to veto a measure that would have allowed private and parochial schools to set their own requirements.