September issue: The hype, peril, and promise of AI

nuclear arsenal

soldiers marching in Red Square, Moscow

Nuclear Notebook: Russian nuclear weapons, 2023

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

Some countries plan to decentralize control of nuclear weapons in a crisis. Here’s why that’s dangerous.

By Giles David Arceneaux | Nuclear Weapons

Nuclear Notebook: Chinese nuclear weapons, 2023

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

US nuclear submarine

Nuclear Notebook: United States nuclear weapons, 2023

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

Nuclear Notebook: How many nuclear weapons does the United States have in 2022?

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

Dolphin. Credit: טל שמע. CC BY-SA 4.0. Photo accessed via Wikimedia Commons.

How dolphins protect the US nuclear arsenal

By Lauren Sukin | Nuclear Risk, Nuclear Weapons

Russian Strategic Missile Forces on the road in a military convoy

Nuclear Notebook: How many nuclear weapons does Russia have in 2022?

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

Stacks of money. Accessed via Wikimedia Commons. Credit: geralt. CC0 1.0.

500,000,000,000 reasons to scrutinize the US plan for nuclear weapons

By Kingston Reif, Mandy Smithberger | Nuclear Risk, Nuclear Weapons

Alex Wellerstein leans against an Mk-17 hydrogen bomb casing at the National Museum of Nuclear Science and History in Albuquerque, New Mexico. Permission: Alex Wellerstein.

Alex Wellerstein pulls back the curtain on nuclear secrecy

By Susan D’Agostino | Nuclear Risk, Nuclear Weapons

Nuclear Notebook: United States nuclear weapons, 2021

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

Minuteman III missile in silo

United States nuclear forces, 2020

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

Minuteman III missile in silo

Nuclear Notebook: United States nuclear forces, 2020

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