Nuclear Notebook

A submarine-launched missile emerges vertically from the ocean, creating a large splash and plume of water and vapor.

Chinese nuclear weapons, 2026

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

A rocket launches into a blue sky, leaving behind a trail of smoke and dust. A red and white launch tower stands on the left.

Russian nuclear weapons, 2026

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

A sleek, white stealth bomber aircraft is displayed in a hangar with a large American flag in the background.

United States nuclear weapons, 2026

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

Military trucks carrying large missile systems drive on a snow-covered road through a forested area.

Nuclear Notebook: The changing nuclear landscape in Europe

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

A red missile with "RA'AD" written on the side and a Pakistan flag flies over a mountainous desert landscape.

Pakistan nuclear weapons, 2025

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

French nuclear weapons, 2025

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

Nuclear weapons on display at Russian 80th anniversary of the Great Victory in World War II

Video: How many nuclear weapons does Russia have in 2025?

By Erik English | Nuclear Notebook, Nuclear Risk

Russian nuclear weapons, 2025

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

Video: How many nuclear weapons does China have in 2025?

By Erik English | Nuclear Notebook, Nuclear Risk

Chinese nuclear weapons, 2025

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

Nuclear Notebook United States 2025

Video: How many nuclear weapons does the United States have in 2025?

By Erik English | Nuclear Notebook, Nuclear Risk

United States nuclear weapons, 2025

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

Meet the Bulletin's new editor-in-chief, Sharon Weinberger