All nuclear weapons resources
Explainer
Understanding Radiation
Radioactive materials are elements that spontaneously break apart, or “decay,” into lighter elements over time. Radiation is energy that’s released during that process—and it’s can be dangerous.
Explainer
Fissile Materials Basics
A discussion of uranium and plutonium and their role in nuclear weapons.
Explainer
North Korea Basics
Nuclear warheads, long-range missiles, and a combative leader. What are the options?
Activist Resource
Understanding China’s Foreign and Defense Policies
Chinese primary sources including speeches by Xi Jinping shed light on China's defense and foreign polices as they relate to the US.
Feature
2023 Annual Report
How did UCS perform over the last year?
Podcast
Destroyer of Worlds
Jess speaks with Oppenheimer biographer Kai Bird about one of Earth's most influential humans and his scientific and political legacies.
Explainer
What is Nuclear Testing?
A resumption would increase the risk of nuclear war.
Feature
Satellite Database
In-depth details on the 7,560 satellites currently orbiting Earth, including their country of origin, purpose, and other operational details.
Video
A World Without Nuclear Weapons
We can build a future that promotes diplomacy, environmental justice for frontline communities, and one where we abolish these uniquely destructive weapons.
Video
Risks & Consequences of Russia's War on Ukraine
What are the humanitarian costs of the use of tactical nuclear weapons?
Feature
2022 Annual Report
How did UCS perform over the last year?
Podcast
What’s Preventing Nuclear Annihilation?
Global security expert Jennifer Knox explains how international treaties reduce the risks of nuclear weapons.