Nuclear Risk

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Does the Noncombatant Immunity Norm Have Stopping Power? A Debate

December 2020

After years of researching American public opinion on the use of nuclear weapons and the ethics, we found the levels of public support for a strike that violated ethical and legal principles to be...

A Nuclear Strike Should Require More than One Person’s Order

November 2020

Donald Trump has proven to be volatile, erratic, vengeful and prone to angry outbursts. Last week, as the vote count pushed his reelection bid out of sight, he reportedly fell into a dark mood.

The United States Must Avoid a Nuclear Arms Race with China

September 2020

Oriana Skylar Mastro explains why U.S. nuclear policy needs to minimize the role of nuclear weapons in the U.S.-China great power competition and pave the way for arms control.

Nuclear Weapons: It’s Time for Sole Purpose

September 2020

The “sole purpose” of U.S. nuclear weapons should be to deter and—if necessary, retaliate against—a nuclear attack. This would mark a significant change in U.S. nuclear policy, eliminating ambiguity...

Rethinking Nuclear Arms Control

September 2020

Where is nuclear arms control—negotiated restraints on the deadliest weapons of mass destruction—headed? This 50-year tool of US national security policy is currently under attack.

Hiroshima and the Myths of Military Targets and Unconditional Surrender

August 2020

Every year, in early August, new articles appear that debate whether the dropping of the atomic bombs in 1945 was justified. Earlier this month, the 75th anniversary of the Hiroshima and Nagasaki...

What Do The Doomsday Clock And The Presidential Election Have In Common?

August 2020

Herb Lin discusses how close we are to midnight, which is to say, human annihilation.

New START: Why An Extension Is In America's National Interest

August 2020

Failing to renew the New START arms control treaty with Russia “is not a wise direction of travel,” said Rose Gottemoeller, a former Deputy Secretary General of NATO who ranked as one of President...

A statement on the bombings of Hiroshima and Nagasaki

August 2020

The Science and Security Board calls on all countries to reject the fantasy that nuclear weapons can provide a permanent basis for global security and to refrain from pursuing new nuclear weapons...

Why the atomic bombing of Hiroshima would be illegal today Global Webinar

August 2020

The Bulletin hosted a global webinar featuring Scott Sagan, Bulletin SASB member and Caroline S.G. Munro Professor of Political Science at Stanford University; Allen Weiner, director of the Stanford...

Moment Caught On Film Becomes Historic Photo

August 2020

Inside the Russian Federal Nuclear Center for Technical Physics, Russian scientist Vladimir Shmakov saw a familiar photo on the cover of Doomed to Cooperate, Siegfried Hecker’s 2016 book on the...

Delaying Doomsday

July 2020

Debak Das, Scott Sagan and Rupal Mehta discuss Mehta's new book, Delaying Doomsday: The Politics of Nuclear Rerversal, with James Goldgeier, Co-Director of Bridging the Gap.

Why the atomic bombing of Hiroshima would be illegal today

July 2020

The archival record makes clear that killing large numbers of civilians was the primary purpose of the atomic bombing of Hiroshima. The attack would be illegal today for violating three major...

Bringing technical expertise to policy debates

July 2020

Profile of a CISAC Fellow: Jason Reinhardt, Distinguished Member of Technical Staff at Sandia National Laboratories

The Science of Trinity

July 2020

Siegfried Hecker, former director of both Los Alamos National Laboratories and the Center for International Cooperation and Security, reflects on the meaning of the Trinity nuclear weapons test and...

Being Clear-Eyed About Citizen Science in the Age of COVID-19

July 2020

An anthropologist explores the network of citizen monitoring capabilities that developed after the Fukushima nuclear disaster in Japan in 2011 for what they might teach all of us about such...

Experts Discuss Future U.S. Relations with North Korea Amid Escalations

July 2020

Led by APARC, a panel of scholars hosted by the Freeman Spogli Institute weighs in on the implications of recent events on the Korean peninsula and the ongoing uncertainties in charting a future...

Unattainable Conditions for New START Extension?

June 2020

President Donald Trump’s chief arms control envoy last week acknowledged the possibility that the 2010 New Strategic Arms Reduction Treaty (New START) could be extended, but he added, “only under...

US nukes in Poland are a truly bad idea

May 2020

On May 15, the U.S. Ambassador in Warsaw, Georgette Mosbacher, suggested relocating U.S. nuclear weapons based in Germany to Poland. One hopes this was just a mistake by a political appointee...

The Role of Human Rights in Policy Toward North Korea

March 2020

Despite the coronavirus pandemic, North Korea continues to carry out weapons testing and to declare that not a single COVID-19 patient has emerged in the country.

A Perfect Storm: Victor Cha Talks COVID-19 Threat to North Korea, Nuclear Deadlock

March 2020

North Korea continues to declare that it has not had a single case of COVID-19, but health experts find it inconceivable that the infectious disease would not be in the country given its proximity...

U.S.-Russia Young Professionals Nuclear Forum Participants Receive Rieser Award Honorable Mention

January 2020

For the first time in the history of the Leonard M. Rieser Award, the Bulletin of Atomic Scientists gave an honorable mention.

People

Sagan, Scott 2012 photo Scott D. Sagan Senior Fellow Professor, Political Science
Rod Ewing Rodney C. Ewing Senior Fellow Professor of Geological Sciences
1 RSD13 085 0159a Neil Narang Affiliate
rsd19 072 0426a Eva C. Uribe Affiliate
Daniel Metlay Daniel Metlay Affiliate
Lynn Eden Lynn Eden Affiliate
chantell murphy Chantell Murphy Affiliate
rsd19 072 0167a Katie McKinney Research Assistant to Scott Sagan
Man smiling Dan Zhukov Research Assistant to Rose Gottemoeller