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

China

IAEA inspectors in Iraq

Trust but verify: How to get there by using next-generation nuclear verification and warhead dismantlement techniques

By Samuel M. Hickey | Analysis

Robert Socolow

Global collapse is in view

By Robert Socolow | Analysis, Climate Change, Nuclear Risk

Representatives to the Biological Weapons Convention meet.

Don’t let finger-pointing doom this key treaty against bioweapons

By Filippa Lentzos, Jez Littlewood | Biosecurity

Michael Krepon, co-founder of the Stimson Center think tank, shows an aerial picture taken by the US military in the days after the first atomic bomb was dropped on Hiroshima on August 6, 1945. The institution later gifted the photos to the Hiroshima Peace Memorial Museum. (Photo credit: NICHOLAS KAMM/AFP via Getty Images)

Interview: Arms control expert Michael Krepon on a broader approach to keeping the nuclear peace

By John Mecklin | Nuclear Risk, Nuclear Weapons

Iskander-M short-range ballistic missile system with two 9M723K5 missiles, at a Russian demonstration of military technology in 2017. The Iskander system is reported to be capable of firing ballistic missiles that can carry a tactical nuclear warhead. Photo by Vitaly Kuzmin

As tensions mount on Ukraine’s borders, it’s time to understand what led to the INF Treaty’s demise

By Aaron J. Berliner, Jake Hecla, Michael Bondin, Austin Mullen, Elena Osorio Camacena, Alex Droster, Dinara Ermakova, Tyler Scott Nagel, Nicole L. Nappi, Katherine J. Oosterbaan, Sarah R. Stevenson, Chelsea D. Willett, Eric F. Matthews, Manseok Lee, Karl van Bibber, Michael Nacht | Nuclear Risk, Nuclear Weapons, Opinion, Voices of Tomorrow

images illustrating war in space

A China-US war in space: The after-action report

By Henry Sokolski | Disruptive Technologies

view of Earth from space on shortest day of year

Why the final frontier should not become the final battleground

By John Mecklin | Disruptive Technologies

The A1 Verse: Not very fine and not very mine

By Thomas Gaulkin | Climate Change, Special Topics

Joe Biden in 2012, when he was vice president, raises a toast in honor of Chinese President Xi at a State Luncheon at the State Department. Credit: US Department of State. Accessed via Flickr.

How Biden can improve European relations while pivoting to Asia

By Lauren Sukin | Nuclear Risk, Nuclear Weapons, Opinion

DF-41 ICBM launchers at parade in Beijing in September 2020. The DF-41 is now operational in at least two brigades. Source: Chinese Ministry of Defense

Nuclear Notebook: Chinese nuclear forces, 2021

By Hans M. Kristensen, Matt Korda | Nuclear Notebook, Nuclear Risk, Nuclear Weapons

Chinese President Xi Jinping. Credit: www.kremlin.ru. via Wikimedia Commons. CC BY 4.0. Cropped.

China’s silence on nuclear arms buildup fuels speculation on motives

By Tong Zhao | Nuclear Risk, Nuclear Weapons

xi Jinping china

The A1 Verse: Xi is risen

By Thomas Gaulkin | Special Topics