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

Nuclear Weapons

Legal aspects of Russia’s New START suspension provide opportunities for US policy makers

By Rose Gottemoeller, Marshall L. Brown, Jr. | Nuclear Weapons

How civil society can help monitor and verify nuclear arms control

By Sara Al-Sayed | Disruptive Technologies, Nuclear Weapons

Interview: Steve Fetter on the meaning of Putin’s New START announcement

By John Mecklin | Nuclear Risk, Nuclear Weapons

Presidents Obama and Medvedev sign New START in 2010.

Jon Wolfsthal assesses the suspension of Russian participation in New START

By John Mecklin | Nuclear Weapons

Russia suspends New START and is ready to resume nuclear testing

By François Diaz-Maurin | Nuclear Weapons

Siegfried Hecker, a Senior Fellow at Los Alamos National Laboratory in New Mexico, testifies before the Senate Foreign Relations Committee 21 January, 2004 on Capitol Hill in Washington, DC. Hecker, who was a member of an unofficial US delegation that visited the controversial Yongbyon research complex this month, told lawmakers that North Korea can accumulate six Kilograms (13.2 pounds) a year of plutonium that could be used to make a nuclear weapon. "The five megawatt reactor has been re-started, it appears to be operating smoothly, providing heat and electricity, also accumulating approximately six kilograms (13.2 pounds) of plutonium per year in its spent fuel rods." Photo credit: Stephen Jaffe/AFP via Getty Images

An excerpt from “Hinge Points: An Inside Look at North Korea’s Nuclear Program”

By Siegfried S. Hecker, Elliot Serbin | Nuclear Energy, Nuclear Weapons

Donald Trump and Kim Jong Un shake hands

Interview: Siegfried Hecker on two decades of missed chances to deal with North Korea’s nuclear program

By John Mecklin | Nuclear Energy, Nuclear Weapons

Keeping humans in the loop is not enough to make AI safe for nuclear weapons

By Peter Rautenbach | Artificial Intelligence, Nuclear Weapons, Opinion, Voices of Tomorrow

Trinity_Test_-_Oppenheimer_and_Groves_at_Ground_Zero_002.jpg

His grandson explains: Why Oppenheimer remains important today

By Charles Oppenheimer | Nuclear Energy, Nuclear Risk, Nuclear Weapons

There is no alternative: US-Russian nuclear arms control must restart. Now.

By Connor Murray | Nuclear Weapons

Nowhere to hide: How a nuclear war would kill you—and almost everyone else. (Chinese)

By François Diaz-Maurin, Thomas Gaulkin | Multimedia, Nuclear Risk, Nuclear Weapons

Roundtable: Making nuclear injustice an agenda for change

By Franziska Stärk, Ulrich Kühn | Nuclear Weapons, Voices of Tomorrow