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

Nuclear Weapons

No first use, bill, senate, congress, Elisabeth warren

What the Democratic frontrunners think about hitting first with nuclear weapons

By Thomas Gaulkin | Multimedia, Nuclear Risk, Nuclear Weapons

Nuclear launch console.

Hot-button campaign issue: 2020 Democrats disagree on nuclear launch authority

By John Krzyzaniak | Analysis, Nuclear Weapons

Russia killed arms control. Why does it want to keep New START?

By Kristin Ven Bruusgaard | Analysis, Nuclear Weapons

National security journalist Fred Kaplan

Interview: Trump’s nuclear insecurities and other secrets from the author of “The Bomb”

By Dawn Stover | Interviews, Nuclear Risk, Nuclear Weapons

Shipping container with radioactive material

Nuclear terrorism: US officials say it’s best to plan for the worst

By Jay A. Tilden, Dallas Boyd | Analysis, Nuclear Weapons

The USS Ohio submarine with its missile tubes open

The low-yield nuclear warhead: A dangerous weapon based on bad strategic thinking

By Andrew Facini | Analysis, Nuclear Weapons

Excerpt from Albert Einstein letter, Emergency Committee of Atomic Scientists, December 1946

Physicists mobilize to reduce the nuclear threat. Again.

By Stewart Prager, Steve Fetter, Alexander Glaser, Zia Mian, Frank von Hippel | Nuclear Risk, Nuclear Weapons

Memo to Mr. Trump: This nuclear treaty with Russia will make you a winner!

By John Krzyzaniak | Analysis, Nuclear Weapons

Australia’s “firenadoes” summon images of Hiroshima, atomic bombs

By Dawn Stover | Climate Change, Nuclear Risk, Nuclear Weapons

Illustration depicting a hypersonic missile

Hypersonic missiles: Why the new “arms race” is going nowhere fast

By Andrew W. Reddie | Analysis, Disruptive Technologies, Nuclear Weapons

The overwhelming case for no first use

By John P. Holdren | Analysis, Nuclear Weapons

James N. Miller

No to no first use—for now

By James N. Miller | Analysis, Nuclear Weapons