The authoritative guide to ensuring science and technology make life on Earth better, not worse.

Nuclear Weapons

an illustration showing escalation as an explosion and de-escalation as a hand preventing a bomb from exploding

Escalating to de-escalate with nuclear weapons: Research shows it’s a particularly bad idea

By Daniel R. Post | Analysis, Nuclear Weapons, Voices of Tomorrow

The fallout never ended

By Robert Alvarez | Nuclear Risk, Nuclear Weapons

Antinuclear activist march to mark the second anniversary of the entry into force of the Treaty on the Prohibition of Nuclear Weapons (TPNW) in New York, January 20, 2023. - The TPNW, the first legally binding international agreement to prohibit nuclear weapons, entered into force on January 22, 2021. (Photo by KENA BETANCUR/AFP via Getty Images)

Nuclear deterrence is the existential threat, not the nuclear ban treaty

By Ivana Nikolić Hughes, Xanthe Hall, Ira Helfand, Mays Smithwick | Nuclear Risk, Nuclear Weapons

A response to Kallenborn: Why realism requires that nuclear weapons be abolished

By Ward Hayes Wilson | Nuclear Risk, Nuclear Weapons

Chinese nuclear weapons, 2024

By Hans M. Kristensen, Matt Korda, Eliana Johns, Mackenzie Knight | Nuclear Notebook, Nuclear Weapons

January issue: What you can do to turn back the Clock

By Dan Drollette Jr | Biosecurity, Climate Change, Nuclear Weapons, Special Topics

Nuclear-free NYC: How New Yorkers are disarming the legacies of the Manhattan Project

By Kathleen Sullivan, Matthew Breay Bolton | Nuclear Weapons

Introduction: What you can do to turn back the hands of the Doomsday Clock

By Dan Drollette Jr | Biosecurity, Climate Change, Nuclear Risk, Nuclear Weapons, Special Topics

How my Gen Z students learned to start worrying and dismantle the Bomb

By Frida Berrigan | Nuclear Weapons, Special Topics

A scene from the 2023 Victory Day Parade in Moscow. Source: President of the Russian Federation.

Why a nuclear weapons ban would threaten, not save, humanity

By Zachary Kallenborn | Nuclear Risk, Nuclear Weapons

US State Secretary Antony J. Blinken meets with Saudi Foreign Minister Faisal bin Farhan in Riyadh, Saudi Arabia on June 7, 2023.

The coming US-Saudi nuclear deal: Keep it honest

By Henry Sokolski, Sharon Squassoni | Nuclear Energy, Nuclear Weapons, Opinion

missile spiraling out of control during test

The six best Bulletin magazine articles of 2023

By Dan Drollette Jr | Climate Change, Nuclear Weapons, Special Topics